646082692 has 24 divisors (see below), whose sum is σ = 1143416736. Its totient is φ = 319404288.

The previous prime is 646082683. The next prime is 646082693. The reversal of 646082692 is 296280646.

It is not an unprimeable number, because it can be changed into a prime (646082693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286923 + ... + 289165.

It is an arithmetic number, because the mean of its divisors is an integer number (47642364).

Almost surely, 2^646082692 is an apocalyptic number.

It is an amenable number.

646082692 is a deficient number, since it is larger than the sum of its proper divisors (497334044).

646082692 is a wasteful number, since it uses less digits than its factorization.

646082692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 646082692 is about 25418.1567388353. The cubic root of 646082692 is about 864.4954309500.

The spelling of 646082692 in words is "six hundred forty-six million, eighty-two thousand, six hundred ninety-two".