39925942 has 8 divisors (see below), whose sum is σ = 68444496. Its totient is φ = 17111112.

The previous prime is 39925939. The next prime is 39925957. The reversal of 39925942 is 24952993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1425913 + ... + 1425940.

It is an arithmetic number, because the mean of its divisors is an integer number (8555562).

Almost surely, 2^39925942 is an apocalyptic number.

39925942 is a deficient number, since it is larger than the sum of its proper divisors (28518554).

39925942 is a wasteful number, since it uses less digits than its factorization.

39925942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851862.

The product of its digits is 174960, while the sum is 43.

The square root of 39925942 is about 6318.6978088844. The cubic root of 39925942 is about 341.7839966130.

The spelling of 39925942 in words is "thirty-nine million, nine hundred twenty-five thousand, nine hundred forty-two".