39497944 has 16 divisors (see below), whose sum is σ = 76060800. Its totient is φ = 19215072.

The previous prime is 39497929. The next prime is 39497959. The reversal of 39497944 is 44979493.

It is an interprime number because it is at equal distance from previous prime (39497929) and next prime (39497959).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66424 + ... + 67015.

It is an arithmetic number, because the mean of its divisors is an integer number (4753800).

Almost surely, 2^39497944 is an apocalyptic number.

It is an amenable number.

39497944 is a deficient number, since it is larger than the sum of its proper divisors (36562856).

39497944 is a wasteful number, since it uses less digits than its factorization.

39497944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133482 (or 133478 counting only the distinct ones).

The product of its digits is 979776, while the sum is 49.

The square root of 39497944 is about 6284.7389762821. The cubic root of 39497944 is about 340.5583214207.

The spelling of 39497944 in words is "thirty-nine million, four hundred ninety-seven thousand, nine hundred forty-four".