82393864 has 32 divisors (see below), whose sum is σ = 176860800. Its totient is φ = 35251200.

The previous prime is 82393847. The next prime is 82393897. The reversal of 82393864 is 46839328.

It is a self number, because there is not a number n which added to its sum of digits gives 82393864.

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, 50664 + ... + 52264.

It is an arithmetic number, because the mean of its divisors is an integer number (5526900).

Almost surely, 2^82393864 is an apocalyptic number.

It is an amenable number.

82393864 is an abundant number, since it is smaller than the sum of its proper divisors (94466936).

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

82393864 is a wasteful number, since it uses less digits than its factorization.

82393864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533 (or 2529 counting only the distinct ones).

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

The square root of 82393864 is about 9077.1065874540. The cubic root of 82393864 is about 435.1426211342.

The spelling of 82393864 in words is "eighty-two million, three hundred ninety-three thousand, eight hundred sixty-four".