39474864 has 240 divisors, whose sum is σ = 136491264. Its totient is φ = 10886400.

The previous prime is 39474863. The next prime is 39474889. The reversal of 39474864 is 46847493.

It is not an unprimeable number, because it can be changed into a prime (39474863) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 555949 + ... + 556019.

Almost surely, 2^39474864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39474864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68245632).

39474864 is an abundant number, since it is smaller than the sum of its proper divisors (97016400).

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

39474864 is a wasteful number, since it uses less digits than its factorization.

39474864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 100 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 39474864 is about 6282.9025139660. The cubic root of 39474864 is about 340.4919752034.

The spelling of 39474864 in words is "thirty-nine million, four hundred seventy-four thousand, eight hundred sixty-four".