39856952 has 8 divisors (see below), whose sum is σ = 74731800. Its totient is φ = 19928472.

The previous prime is 39856939. The next prime is 39856967. The reversal of 39856952 is 25965893.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 39856897 and 39856906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2491052 + ... + 2491067.

It is an arithmetic number, because the mean of its divisors is an integer number (9341475).

Almost surely, 2^39856952 is an apocalyptic number.

It is an amenable number.

39856952 is a deficient number, since it is larger than the sum of its proper divisors (34874848).

39856952 is a wasteful number, since it uses less digits than its factorization.

39856952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982125 (or 4982121 counting only the distinct ones).

The product of its digits is 583200, while the sum is 47.

The square root of 39856952 is about 6313.2362540935. The cubic root of 39856952 is about 341.5870213191.

The spelling of 39856952 in words is "thirty-nine million, eight hundred fifty-six thousand, nine hundred fifty-two".