39976197 has 16 divisors (see below), whose sum is σ = 57752640. Its totient is φ = 24498432.

The previous prime is 39976177. The next prime is 39976199. The reversal of 39976197 is 79167993.

39976197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-39976197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39976199) 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 15 ways as a sum of consecutive naturals, for example, 6922 + ... + 11307.

It is an arithmetic number, because the mean of its divisors is an integer number (3609540).

Almost surely, 2^39976197 is an apocalyptic number.

It is an amenable number.

39976197 is a deficient number, since it is larger than the sum of its proper divisors (17776443).

39976197 is a wasteful number, since it uses less digits than its factorization.

39976197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18292.

The product of its digits is 642978, while the sum is 51.

The square root of 39976197 is about 6322.6732479229. The cubic root of 39976197 is about 341.9273382790.

The spelling of 39976197 in words is "thirty-nine million, nine hundred seventy-six thousand, one hundred ninety-seven".