693426956 has 6 divisors (see below), whose sum is σ = 1213497180. Its totient is φ = 346713476.

The previous prime is 693426949. The next prime is 693426961. The reversal of 693426956 is 659624396.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86678366 + ... + 86678373.

It is an arithmetic number, because the mean of its divisors is an integer number (202249530).

Almost surely, 2^693426956 is an apocalyptic number.

It is an amenable number.

693426956 is a deficient number, since it is larger than the sum of its proper divisors (520070224).

693426956 is a wasteful number, since it uses less digits than its factorization.

693426956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173356743 (or 173356741 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 50.

The square root of 693426956 is about 26333.0012721680. The cubic root of 693426956 is about 885.1160991251.

The spelling of 693426956 in words is "six hundred ninety-three million, four hundred twenty-six thousand, nine hundred fifty-six".