3899253136 has 45 divisors (see below), whose sum is σ = 7702300641. Its totient is φ = 1912285056.

The previous prime is 3899253133. The next prime is 3899253139. The reversal of 3899253136 is 6313529983.

It is a happy number.

The square root of 3899253136 is 62444.

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

It is an interprime number because it is at equal distance from previous prime (3899253133) and next prime (3899253139).

It can be written as a sum of positive squares in only one way, i.e., 791859600 + 3107393536 = 28140^2 + 55744^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3899253136.

It is not an unprimeable number, because it can be changed into a prime (3899253133) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16734876 + ... + 16735108.

Almost surely, 2^3899253136 is an apocalyptic number.

3899253136 is the 62444-th square number.

It is an amenable number.

3899253136 is a deficient number, since it is larger than the sum of its proper divisors (3803047505).

3899253136 is an frugal number, since it uses more digits than its factorization.

3899253136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 302 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

The cubic root of 3899253136 is about 1573.9604307780.

Multiplying 3899253136 by its sum of digits (49), we get a square (191063403664 = 437108²).

The spelling of 3899253136 in words is "three billion, eight hundred ninety-nine million, two hundred fifty-three thousand, one hundred thirty-six".