852649864 has 32 divisors (see below), whose sum is σ = 1745375040. Its totient is φ = 387275200.

The previous prime is 852649843. The next prime is 852649891. The reversal of 852649864 is 468946258.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149709 + ... + 155299.

It is an arithmetic number, because the mean of its divisors is an integer number (54542970).

Almost surely, 2^852649864 is an apocalyptic number.

It is an amenable number.

852649864 is an abundant number, since it is smaller than the sum of its proper divisors (892725176).

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

852649864 is a wasteful number, since it uses less digits than its factorization.

852649864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341 (or 7337 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The square root of 852649864 is about 29200.1689036211. The cubic root of 852649864 is about 948.2515815285.

The spelling of 852649864 in words is "eight hundred fifty-two million, six hundred forty-nine thousand, eight hundred sixty-four".