696621456 has 30 divisors (see below), whose sum is σ = 1949572950. Its totient is φ = 232207104.

The previous prime is 696621433. The next prime is 696621469. The reversal of 696621456 is 654126696.

It can be written as a sum of positive squares in only one way, i.e., 561690000 + 134931456 = 23700^2 + 11616^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2418681 + ... + 2418968.

It is an arithmetic number, because the mean of its divisors is an integer number (64985765).

Almost surely, 2^696621456 is an apocalyptic number.

It is an amenable number.

696621456 is an abundant number, since it is smaller than the sum of its proper divisors (1252951494).

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

696621456 is a wasteful number, since it uses less digits than its factorization.

696621456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837663 (or 4837654 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 696621456 is about 26393.5874030038. The cubic root of 696621456 is about 886.4732103490.

The spelling of 696621456 in words is "six hundred ninety-six million, six hundred twenty-one thousand, four hundred fifty-six".