6131598 has 32 divisors (see below), whose sum is σ = 13606272. Its totient is φ = 1826400.

The previous prime is 6131597. The next prime is 6131621. The reversal of 6131598 is 8951316.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6131597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3265 + ... + 4787.

It is an arithmetic number, because the mean of its divisors is an integer number (425196).

Almost surely, 2^6131598 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6131598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6803136).

6131598 is an abundant number, since it is smaller than the sum of its proper divisors (7474674).

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

6131598 is a wasteful number, since it uses less digits than its factorization.

6131598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600.

The product of its digits is 6480, while the sum is 33.

The square root of 6131598 is about 2476.2063726596. The cubic root of 6131598 is about 183.0309601535.

It can be divided in two parts, 613 and 1598, that added together give a triangular number (2211 = T₆₆).

The spelling of 6131598 in words is "six million, one hundred thirty-one thousand, five hundred ninety-eight".