696965900 has 72 divisors (see below), whose sum is σ = 1556619120. Its totient is φ = 270749440.

The previous prime is 696965897. The next prime is 696965917. The reversal of 696965900 is 9569696.

It is a happy number.

It is a super-2 number, since 2×696965900² = 971522931525620000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 566486 + ... + 567714.

It is an arithmetic number, because the mean of its divisors is an integer number (21619710).

Almost surely, 2^696965900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696965900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778309560).

696965900 is an abundant number, since it is smaller than the sum of its proper divisors (859653220).

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

696965900 is a wasteful number, since it uses less digits than its factorization.

696965900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 50.

The square root of 696965900 is about 26400.1117421878. Note that the first 3 decimals coincide. The cubic root of 696965900 is about 886.6192916315.

The spelling of 696965900 in words is "six hundred ninety-six million, nine hundred sixty-five thousand, nine hundred".