39976007 has 8 divisors (see below), whose sum is σ = 41437440. Its totient is φ = 38520160.

The previous prime is 39976003. The next prime is 39976009. The reversal of 39976007 is 70067993.

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

It is a cyclic number.

It is not a de Polignac number, because 39976007 - 2² = 39976003 is a prime.

It is a super-2 number, since 2×39976007² = 3196162271328098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39976003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17882 + ... + 19992.

It is an arithmetic number, because the mean of its divisors is an integer number (5179680).

Almost surely, 2^39976007 is an apocalyptic number.

39976007 is a deficient number, since it is larger than the sum of its proper divisors (1461433).

39976007 is a wasteful number, since it uses less digits than its factorization.

39976007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 39976007 is about 6322.6582226149. The cubic root of 39976007 is about 341.9267965708.

The spelling of 39976007 in words is "thirty-nine million, nine hundred seventy-six thousand, seven".