698577964 has 12 divisors (see below), whose sum is σ = 1397155984. Its totient is φ = 299390544.

The previous prime is 698577949. The next prime is 698577977. The reversal of 698577964 is 469775896.

698577964 is an admirable number.

It is a super-2 number, since 2×698577964² = 976022343572770592, which contains 22 as substring.

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, 12474579 + ... + 12474634.

Almost surely, 2^698577964 is an apocalyptic number.

It is an amenable number.

698577964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

698577964 is a wasteful number, since it uses less digits than its factorization.

698577964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24949224 (or 24949222 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 61.

The square root of 698577964 is about 26430.6254939228. The cubic root of 698577964 is about 887.3023410641.

The spelling of 698577964 in words is "six hundred ninety-eight million, five hundred seventy-seven thousand, nine hundred sixty-four".