39945496 has 16 divisors (see below), whose sum is σ = 76922640. Its totient is φ = 19432800.

The previous prime is 39945491. The next prime is 39945497. The reversal of 39945496 is 69454993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39945491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67180 + ... + 67771.

It is an arithmetic number, because the mean of its divisors is an integer number (4807665).

Almost surely, 2^39945496 is an apocalyptic number.

It is an amenable number.

39945496 is a deficient number, since it is larger than the sum of its proper divisors (36977144).

39945496 is a wasteful number, since it uses less digits than its factorization.

39945496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134994 (or 134990 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

The square root of 39945496 is about 6320.2449319627. The cubic root of 39945496 is about 341.8397845141.

It can be divided in two parts, 3 and 9945496, that added together give a palindrome (9945499).

The spelling of 39945496 in words is "thirty-nine million, nine hundred forty-five thousand, four hundred ninety-six".