698400612 has 324 divisors, whose sum is σ = 2357531904. Its totient is φ = 170501760.

The previous prime is 698400611. The next prime is 698400631. The reversal of 698400612 is 216004896.

698400612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (698400611) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 22529037 + ... + 22529067.

Almost surely, 2^698400612 is an apocalyptic number.

698400612 is a gapful number since it is divisible by the number (62) 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 698400612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178765952).

698400612 is an abundant number, since it is smaller than the sum of its proper divisors (1659131292).

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

698400612 is a wasteful number, since it uses less digits than its factorization.

698400612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 698400612 is about 26427.2702336053. The cubic root of 698400612 is about 887.2272465284.

The spelling of 698400612 in words is "six hundred ninety-eight million, four hundred thousand, six hundred twelve".