698624460 has 192 divisors, whose sum is σ = 2239856640. Its totient is φ = 180714240.

The previous prime is 698624447. The next prime is 698624467. The reversal of 698624460 is 64426896.

It is a super-2 number, since 2×698624460² = 976152272220583200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (698624467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4183297 + ... + 4183463.

It is an arithmetic number, because the mean of its divisors is an integer number (11665920).

Almost surely, 2^698624460 is an apocalyptic number.

698624460 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 698624460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119928320).

698624460 is an abundant number, since it is smaller than the sum of its proper divisors (1541232180).

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

698624460 is a wasteful number, since it uses less digits than its factorization.

698624460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 698624460 is about 26431.5050649788. The cubic root of 698624460 is about 887.3220263374.

The spelling of 698624460 in words is "six hundred ninety-eight million, six hundred twenty-four thousand, four hundred sixty".