698943964 has 24 divisors (see below), whose sum is σ = 1320348960. Its totient is φ = 322749504.

The previous prime is 698943929. The next prime is 698943979. The reversal of 698943964 is 469349896.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 698943899 and 698943908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128319 + ... + 133654.

It is an arithmetic number, because the mean of its divisors is an integer number (55014540).

Almost surely, 2^698943964 is an apocalyptic number.

It is an amenable number.

698943964 is a deficient number, since it is larger than the sum of its proper divisors (621404996).

698943964 is a wasteful number, since it uses less digits than its factorization.

698943964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262029 (or 262027 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 58.

The square root of 698943964 is about 26437.5483734782. The cubic root of 698943964 is about 887.4572729281.

The spelling of 698943964 in words is "six hundred ninety-eight million, nine hundred forty-three thousand, nine hundred sixty-four".