39694944 has 48 divisors (see below), whose sum is σ = 104569920. Its totient is φ = 13184640.

The previous prime is 39694937. The next prime is 39694961. The reversal of 39694944 is 44949693.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 39694893 and 39694902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35839 + ... + 36929.

It is an arithmetic number, because the mean of its divisors is an integer number (2178540).

Almost surely, 2^39694944 is an apocalyptic number.

It is an amenable number.

39694944 is an abundant number, since it is smaller than the sum of its proper divisors (64874976).

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

39694944 is a wasteful number, since it uses less digits than its factorization.

39694944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483 (or 1475 counting only the distinct ones).

The product of its digits is 839808, while the sum is 48.

The square root of 39694944 is about 6300.3923687339. The cubic root of 39694944 is about 341.1235724287.

The spelling of 39694944 in words is "thirty-nine million, six hundred ninety-four thousand, nine hundred forty-four".