698461920 has 192 divisors, whose sum is σ = 2632875840. Its totient is φ = 171915264.

The previous prime is 698461919. The next prime is 698461921. The reversal of 698461920 is 29164896.

It is a happy number.

698461920 is a `hidden beast` number, since 6 + 9 + 8 + 4 + 619 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (698461919) and next prime (698461921).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698461921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49942 + ... + 62378.

It is an arithmetic number, because the mean of its divisors is an integer number (13712895).

Almost surely, 2^698461920 is an apocalyptic number.

698461920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698461920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1316437920).

698461920 is an abundant number, since it is smaller than the sum of its proper divisors (1934413920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

698461920 is a wasteful number, since it uses less digits than its factorization.

698461920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12474 (or 12460 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 698461920 is about 26428.4301463405. The cubic root of 698461920 is about 887.2532070518.

The spelling of 698461920 in words is "six hundred ninety-eight million, four hundred sixty-one thousand, nine hundred twenty".