39976036 has 12 divisors (see below), whose sum is σ = 72370620. Its totient is φ = 19298720.

The previous prime is 39976033. The next prime is 39976039. The reversal of 39976036 is 63067993.

It is a happy number.

39976036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39976033) and next prime (39976039).

It can be written as a sum of positive squares in 2 ways, for example, as 32718400 + 7257636 = 5720^2 + 2694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39975983 and 39976001.

It is not an unprimeable number, because it can be changed into a prime (39976033) by changing a digit.

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, 172195 + ... + 172426.

It is an arithmetic number, because the mean of its divisors is an integer number (6030885).

Almost surely, 2^39976036 is an apocalyptic number.

It is an amenable number.

39976036 is a deficient number, since it is larger than the sum of its proper divisors (32394584).

39976036 is a wasteful number, since it uses less digits than its factorization.

39976036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344654 (or 344652 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 43.

The square root of 39976036 is about 6322.6605159537. The cubic root of 39976036 is about 341.9268792527.

The spelling of 39976036 in words is "thirty-nine million, nine hundred seventy-six thousand, thirty-six".