39976930 has 16 divisors (see below), whose sum is σ = 82238400. Its totient is φ = 13706352.

The previous prime is 39976919. The next prime is 39976939. The reversal of 39976930 is 3967993.

It is not an unprimeable number, because it can be changed into a prime (39976939) 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, 285480 + ... + 285619.

It is an arithmetic number, because the mean of its divisors is an integer number (5139900).

Almost surely, 2^39976930 is an apocalyptic number.

39976930 is an abundant number, since it is smaller than the sum of its proper divisors (42261470).

39976930 is a wasteful number, since it uses less digits than its factorization.

39976930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571113.

The product of its (nonzero) digits is 275562, while the sum is 46.

The square root of 39976930 is about 6322.7312136449. The cubic root of 39976930 is about 341.9294281160.

The spelling of 39976930 in words is "thirty-nine million, nine hundred seventy-six thousand, nine hundred thirty".