39345944 has 32 divisors (see below), whose sum is σ = 83082240. Its totient is φ = 17306400.

The previous prime is 39345899. The next prime is 39345949. The reversal of 39345944 is 44954393.

It is a super-2 number, since 2×39345944² = 3096206618502272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39345949) 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, 4484 + ... + 9939.

It is an arithmetic number, because the mean of its divisors is an integer number (2596320).

Almost surely, 2^39345944 is an apocalyptic number.

It is an amenable number.

39345944 is an abundant number, since it is smaller than the sum of its proper divisors (43736296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39345944 is a wasteful number, since it uses less digits than its factorization.

39345944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14471 (or 14467 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The square root of 39345944 is about 6272.6345342288. The cubic root of 39345944 is about 340.1209027924.

The spelling of 39345944 in words is "thirty-nine million, three hundred forty-five thousand, nine hundred forty-four".