698413664 has 24 divisors (see below), whose sum is σ = 1480772160. Its totient is φ = 322344576.

The previous prime is 698413657. The next prime is 698413693. The reversal of 698413664 is 466314896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839024 + ... + 839855.

It is an arithmetic number, because the mean of its divisors is an integer number (61698840).

Almost surely, 2^698413664 is an apocalyptic number.

It is an amenable number.

698413664 is an abundant number, since it is smaller than the sum of its proper divisors (782358496).

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

698413664 is a wasteful number, since it uses less digits than its factorization.

698413664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678902 (or 1678894 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The square root of 698413664 is about 26427.5171743393. The cubic root of 698413664 is about 887.2327734507.

The spelling of 698413664 in words is "six hundred ninety-eight million, four hundred thirteen thousand, six hundred sixty-four".