6131864 has 16 divisors (see below), whose sum is σ = 11560320. Its totient is φ = 3049120.

The previous prime is 6131863. The next prime is 6131887. The reversal of 6131864 is 4681316.

It is a super-2 number, since 2×6131864² = 75199512228992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6131863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479 + ... + 3534.

It is an arithmetic number, because the mean of its divisors is an integer number (722520).

Almost surely, 2^6131864 is an apocalyptic number.

It is an amenable number.

6131864 is a deficient number, since it is larger than the sum of its proper divisors (5428456).

6131864 is a wasteful number, since it uses less digits than its factorization.

6131864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210 (or 4206 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 6131864 is about 2476.2600832707. The cubic root of 6131864 is about 183.0336068551.

The spelling of 6131864 in words is "six million, one hundred thirty-one thousand, eight hundred sixty-four".