699438652 has 24 divisors (see below), whose sum is σ = 1336349952. Its totient is φ = 317674800.

The previous prime is 699438613. The next prime is 699438683. The reversal of 699438652 is 256834996.

It is a self number, because there is not a number n which added to its sum of digits gives 699438652.

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, 57027 + ... + 68197.

It is an arithmetic number, because the mean of its divisors is an integer number (55681248).

Almost surely, 2^699438652 is an apocalyptic number.

It is an amenable number.

699438652 is a deficient number, since it is larger than the sum of its proper divisors (636911300).

699438652 is a wasteful number, since it uses less digits than its factorization.

699438652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12609 (or 12607 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The square root of 699438652 is about 26446.9025029397. The cubic root of 699438652 is about 887.6665939199. Note that the first 3 decimals are identical.

The spelling of 699438652 in words is "six hundred ninety-nine million, four hundred thirty-eight thousand, six hundred fifty-two".