3924396025 has 81 divisors (see below), whose sum is σ = 5768072877. Its totient is φ = 2646124800.

The previous prime is 3924396019. The next prime is 3924396071. The reversal of 3924396025 is 5206934293.

The square root of 3924396025 is 62645.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 91795561 + 3832600464 = 9581^2 + 61908^2 .

It is not a de Polignac number, because 3924396025 - 2⁷ = 3924395897 is a prime.

It is a super-2 number, since 2×3924396025² = 30801768322071601250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 58573042 + ... + 58573108.

Almost surely, 2^3924396025 is an apocalyptic number.

3924396025 is the 62645-th square number.

3924396025 is the 31323-rd centered octagonal number.

It is an amenable number.

3924396025 is a deficient number, since it is larger than the sum of its proper divisors (1843676852).

3924396025 is a wasteful number, since it uses less digits than its factorization.

3924396025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 43.

The cubic root of 3924396025 is about 1577.3362188406.

The spelling of 3924396025 in words is "three billion, nine hundred twenty-four million, three hundred ninety-six thousand, twenty-five".