39995052 has 12 divisors (see below), whose sum is σ = 93321816. Its totient is φ = 13331680.

The previous prime is 39995029. The next prime is 39995069. The reversal of 39995052 is 25059993.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 39994995 and 39995013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666449 + ... + 1666472.

It is an arithmetic number, because the mean of its divisors is an integer number (7776818).

Almost surely, 2^39995052 is an apocalyptic number.

It is an amenable number.

39995052 is an abundant number, since it is smaller than the sum of its proper divisors (53326764).

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

39995052 is a wasteful number, since it uses less digits than its factorization.

39995052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332928 (or 3332926 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 42.

The square root of 39995052 is about 6324.1641344924. The cubic root of 39995052 is about 341.9810871522.

The spelling of 39995052 in words is "thirty-nine million, nine hundred ninety-five thousand, fifty-two".