699986956 has 12 divisors (see below), whose sum is σ = 1245059200. Its totient is φ = 344255760.

The previous prime is 699986921. The next prime is 699986971. The reversal of 699986956 is 659689996.

It is a junction number, because it is equal to n+sod(n) for n = 699986891 and 699986900.

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, 1434156 + ... + 1434643.

Almost surely, 2^699986956 is an apocalyptic number.

It is an amenable number.

699986956 is a deficient number, since it is larger than the sum of its proper divisors (545072244).

699986956 is a wasteful number, since it uses less digits than its factorization.

699986956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868864 (or 2868862 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 67.

The square root of 699986956 is about 26457.2666010682. The cubic root of 699986956 is about 887.8984865561.

The spelling of 699986956 in words is "six hundred ninety-nine million, nine hundred eighty-six thousand, nine hundred fifty-six".