3993025 has 6 divisors (see below), whose sum is σ = 4951382. Its totient is φ = 3194400.

The previous prime is 3993019. The next prime is 3993029. The reversal of 3993025 is 5203993.

It can be written as a sum of positive squares in 3 ways, for example, as 186624 + 3806401 = 432^2 + 1951^2 .

It is not a de Polignac number, because 3993025 - 2¹¹ = 3990977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3993029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79836 + ... + 79885.

Almost surely, 2^3993025 is an apocalyptic number.

It is an amenable number.

3993025 is a deficient number, since it is larger than the sum of its proper divisors (958357).

3993025 is a wasteful number, since it uses less digits than its factorization.

3993025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159731 (or 159726 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 3993025 is about 1998.2554891705. The cubic root of 3993025 is about 158.6477838281.

The spelling of 3993025 in words is "three million, nine hundred ninety-three thousand, twenty-five".