3976399825 has 12 divisors (see below), whose sum is σ = 4993152640. Its totient is φ = 3140850960.

The previous prime is 3976399793. The next prime is 3976399829. The reversal of 3976399825 is 5289936793.

It is not a de Polignac number, because 3976399825 - 2⁵ = 3976399793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3976399829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1004709 + ... + 1008658.

Almost surely, 2^3976399825 is an apocalyptic number.

It is an amenable number.

3976399825 is a deficient number, since it is larger than the sum of its proper divisors (1016752815).

3976399825 is a wasteful number, since it uses less digits than its factorization.

3976399825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013456 (or 2013451 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 61.

The square root of 3976399825 is about 63058.7014217705. The cubic root of 3976399825 is about 1584.2729800729.

The spelling of 3976399825 in words is "three billion, nine hundred seventy-six million, three hundred ninety-nine thousand, eight hundred twenty-five".