39940496 has 10 divisors (see below), whose sum is σ = 77384742. Its totient is φ = 19970240.

The previous prime is 39940487. The next prime is 39940529. The reversal of 39940496 is 69404993.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36772096 + 3168400 = 6064^2 + 1780^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248125 + ... + 1248156.

Almost surely, 2^39940496 is an apocalyptic number.

It is an amenable number.

39940496 is a deficient number, since it is larger than the sum of its proper divisors (37444246).

39940496 is a wasteful number, since it uses less digits than its factorization.

39940496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496289 (or 2496283 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 39940496 is about 6319.8493652934. The cubic root of 39940496 is about 341.8255211602.

It can be divided in two parts, 3 and 9940496, that added together give a palindrome (9940499).

The spelling of 39940496 in words is "thirty-nine million, nine hundred forty thousand, four hundred ninety-six".