6131490 has 64 divisors (see below), whose sum is σ = 16035840. Its totient is φ = 1494720.

The previous prime is 6131473. The next prime is 6131491. The reversal of 6131490 is 941316.

6131490 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 6131490.

It is not an unprimeable number, because it can be changed into a prime (6131491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17497 + ... + 17843.

It is an arithmetic number, because the mean of its divisors is an integer number (250560).

Almost surely, 2^6131490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6131490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8017920).

6131490 is an abundant number, since it is smaller than the sum of its proper divisors (9904350).

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

6131490 is a wasteful number, since it uses less digits than its factorization.

6131490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407.

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

The square root of 6131490 is about 2476.1845650113. The cubic root of 6131490 is about 183.0298855309.

The spelling of 6131490 in words is "six million, one hundred thirty-one thousand, four hundred ninety".