3865596156 has 48 divisors (see below), whose sum is σ = 10159223200. Its totient is φ = 1270878336.

The previous prime is 3865596149. The next prime is 3865596167. The reversal of 3865596156 is 6516955683.

It is a happy number.

3865596156 is a `hidden beast` number, since 3 + 86 + 559 + 6 + 1 + 5 + 6 = 666.

3865596156 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237271 + ... + 253038.

Almost surely, 2^3865596156 is an apocalyptic number.

3865596156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3865596156 is an abundant number, since it is smaller than the sum of its proper divisors (6293627044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3865596156 is a wasteful number, since it uses less digits than its factorization.

3865596156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490395 (or 490387 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The square root of 3865596156 is about 62173.9186154452. The cubic root of 3865596156 is about 1569.4187140410.

The spelling of 3865596156 in words is "three billion, eight hundred sixty-five million, five hundred ninety-six thousand, one hundred fifty-six".