39952388 has 24 divisors (see below), whose sum is σ = 80321472. Its totient is φ = 17033184.

The previous prime is 39952387. The next prime is 39952391. The reversal of 39952388 is 88325993.

It is not an unprimeable number, because it can be changed into a prime (39952387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1895 + ... + 9137.

It is an arithmetic number, because the mean of its divisors is an integer number (3346728).

Almost surely, 2^39952388 is an apocalyptic number.

It is an amenable number.

39952388 is an abundant number, since it is smaller than the sum of its proper divisors (40369084).

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

39952388 is a wasteful number, since it uses less digits than its factorization.

39952388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7451 (or 7449 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 39952388 is about 6320.7901404809. The cubic root of 39952388 is about 341.8594431702.

The spelling of 39952388 in words is "thirty-nine million, nine hundred fifty-two thousand, three hundred eighty-eight".