39846864 has 20 divisors (see below), whose sum is σ = 102937856. Its totient is φ = 13282272.

The previous prime is 39846809. The next prime is 39846881. The reversal of 39846864 is 46864893.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 830143 = 39846864 / (3 + 9 + 8 + 4 + 6 + 8 + 6 + 4).

It is a congruent number.

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, 415024 + ... + 415119.

Almost surely, 2^39846864 is an apocalyptic number.

It is an amenable number.

39846864 is an abundant number, since it is smaller than the sum of its proper divisors (63090992).

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

39846864 is a wasteful number, since it uses less digits than its factorization.

39846864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830154 (or 830148 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 39846864 is about 6312.4372472128. The cubic root of 39846864 is about 341.5581997421.

The spelling of 39846864 in words is "thirty-nine million, eight hundred forty-six thousand, eight hundred sixty-four".