39813052 has 12 divisors (see below), whose sum is σ = 71920576. Its totient is φ = 19264320.

The previous prime is 39813019. The next prime is 39813061. The reversal of 39813052 is 25031893.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160413 + ... + 160660.

Almost surely, 2^39813052 is an apocalyptic number.

It is an amenable number.

39813052 is a deficient number, since it is larger than the sum of its proper divisors (32107524).

39813052 is a wasteful number, since it uses less digits than its factorization.

39813052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321108 (or 321106 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 39813052 is about 6309.7584739830. The cubic root of 39813052 is about 341.4615628277.

The spelling of 39813052 in words is "thirty-nine million, eight hundred thirteen thousand, fifty-two".