646652882 has 8 divisors (see below), whose sum is σ = 971579136. Its totient is φ = 322793172.

The previous prime is 646652873. The next prime is 646652911. The reversal of 646652882 is 288256646.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 265118 + ... + 267545.

It is an arithmetic number, because the mean of its divisors is an integer number (121447392).

Almost surely, 2^646652882 is an apocalyptic number.

646652882 is a deficient number, since it is larger than the sum of its proper divisors (324926254).

646652882 is a wasteful number, since it uses less digits than its factorization.

646652882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533272.

The product of its digits is 1105920, while the sum is 47.

The square root of 646652882 is about 25429.3704601589. The cubic root of 646652882 is about 864.7496717351.

The spelling of 646652882 in words is "six hundred forty-six million, six hundred fifty-two thousand, eight hundred eighty-two".