39937970 has 32 divisors (see below), whose sum is σ = 74226240. Its totient is φ = 15462720.

The previous prime is 39937967. The next prime is 39937987. The reversal of 39937970 is 7973993.

39937970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 55976 + ... + 56684.

It is an arithmetic number, because the mean of its divisors is an integer number (2319570).

Almost surely, 2^39937970 is an apocalyptic number.

39937970 is a deficient number, since it is larger than the sum of its proper divisors (34288270).

39937970 is a wasteful number, since it uses less digits than its factorization.

39937970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 321489, while the sum is 47.

The square root of 39937970 is about 6319.6495155982. The cubic root of 39937970 is about 341.8183148612.

The spelling of 39937970 in words is "thirty-nine million, nine hundred thirty-seven thousand, nine hundred seventy".