39964732 has 6 divisors (see below), whose sum is σ = 69938288. Its totient is φ = 19982364.

The previous prime is 39964643. The next prime is 39964747. The reversal of 39964732 is 23746993.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4995588 + ... + 4995595.

Almost surely, 2^39964732 is an apocalyptic number.

It is an amenable number.

39964732 is a deficient number, since it is larger than the sum of its proper divisors (29973556).

39964732 is a wasteful number, since it uses less digits than its factorization.

39964732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9991187 (or 9991185 counting only the distinct ones).

The product of its digits is 244944, while the sum is 43.

The square root of 39964732 is about 6321.7665252681. The cubic root of 39964732 is about 341.8946473941.

The spelling of 39964732 in words is "thirty-nine million, nine hundred sixty-four thousand, seven hundred thirty-two".