39474656 has 48 divisors (see below), whose sum is σ = 86421888. Its totient is φ = 17625600.

The previous prime is 39474653. The next prime is 39474679. The reversal of 39474656 is 65647493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39474653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11366 + ... + 14426.

It is an arithmetic number, because the mean of its divisors is an integer number (1800456).

Almost surely, 2^39474656 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 39474656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43210944).

39474656 is an abundant number, since it is smaller than the sum of its proper divisors (46947232).

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

39474656 is a wasteful number, since it uses less digits than its factorization.

39474656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115 (or 3107 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 39474656 is about 6282.8859610851. The cubic root of 39474656 is about 340.4913771650.

The spelling of 39474656 in words is "thirty-nine million, four hundred seventy-four thousand, six hundred fifty-six".