6131904 has 56 divisors (see below), whose sum is σ = 16428720. Its totient is φ = 2018304.

The previous prime is 6131891. The next prime is 6131911. The reversal of 6131904 is 4091316.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20782 + ... + 21074.

It is an arithmetic number, because the mean of its divisors is an integer number (293370).

Almost surely, 2^6131904 is an apocalyptic number.

6131904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6131904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8214360).

6131904 is an abundant number, since it is smaller than the sum of its proper divisors (10296816).

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

6131904 is a wasteful number, since it uses less digits than its factorization.

6131904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 6131904 is about 2476.2681599536. The cubic root of 6131904 is about 183.0340048487.

The spelling of 6131904 in words is "six million, one hundred thirty-one thousand, nine hundred four".