39972982 has 8 divisors (see below), whose sum is σ = 68525136. Its totient is φ = 17131272.

The previous prime is 39972949. The next prime is 39972997. The reversal of 39972982 is 28927993.

39972982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1427593 + ... + 1427620.

It is an arithmetic number, because the mean of its divisors is an integer number (8565642).

Almost surely, 2^39972982 is an apocalyptic number.

39972982 is a deficient number, since it is larger than the sum of its proper divisors (28552154).

39972982 is a wasteful number, since it uses less digits than its factorization.

39972982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855222.

The product of its digits is 489888, while the sum is 49.

The square root of 39972982 is about 6322.4189990857. The cubic root of 39972982 is about 341.9181717754.

The spelling of 39972982 in words is "thirty-nine million, nine hundred seventy-two thousand, nine hundred eighty-two".