39925340 has 48 divisors (see below), whose sum is σ = 103196352. Its totient is φ = 12635136.

The previous prime is 39925339. The next prime is 39925363. The reversal of 39925340 is 4352993.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 39925340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9149 + ... + 12788.

It is an arithmetic number, because the mean of its divisors is an integer number (2149924).

Almost surely, 2^39925340 is an apocalyptic number.

It is an amenable number.

39925340 is an abundant number, since it is smaller than the sum of its proper divisors (63271012).

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

39925340 is a wasteful number, since it uses less digits than its factorization.

39925340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21966 (or 21964 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 39925340 is about 6318.6501723074. The cubic root of 39925340 is about 341.7822788075.

The spelling of 39925340 in words is "thirty-nine million, nine hundred twenty-five thousand, three hundred forty".