3936491925 has 24 divisors (see below), whose sum is σ = 6544715040. Its totient is φ = 2087726400.

The previous prime is 3936491921. The next prime is 3936491939. The reversal of 3936491925 is 5291946393.

It is not a de Polignac number, because 3936491925 - 2² = 3936491921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3936491921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133186 + ... + 160035.

It is an arithmetic number, because the mean of its divisors is an integer number (272696460).

Almost surely, 2^3936491925 is an apocalyptic number.

It is an amenable number.

3936491925 is a deficient number, since it is larger than the sum of its proper divisors (2608223115).

3936491925 is a wasteful number, since it uses less digits than its factorization.

3936491925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293413 (or 293408 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 51.

The square root of 3936491925 is about 62741.4689420004. The cubic root of 3936491925 is about 1578.9551288814.

The spelling of 3936491925 in words is "three billion, nine hundred thirty-six million, four hundred ninety-one thousand, nine hundred twenty-five".