39974328 has 48 divisors (see below), whose sum is σ = 113965800. Its totient is φ = 12623040.

The previous prime is 39974323. The next prime is 39974359. The reversal of 39974328 is 82347993.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39974321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13243 + ... + 15978.

Almost surely, 2^39974328 is an apocalyptic number.

39974328 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

39974328 is an abundant number, since it is smaller than the sum of its proper divisors (73991472).

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

39974328 is a wasteful number, since it uses less digits than its factorization.

39974328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29252 (or 29245 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 39974328 is about 6322.5254447887. The cubic root of 39974328 is about 341.9220095067.

The spelling of 39974328 in words is "thirty-nine million, nine hundred seventy-four thousand, three hundred twenty-eight".