3130842 has 64 divisors (see below), whose sum is σ = 7620480. Its totient is φ = 844800.

The previous prime is 3130823. The next prime is 3130871. The reversal of 3130842 is 2480313.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35134 + ... + 35222.

It is an arithmetic number, because the mean of its divisors is an integer number (119070).

Almost surely, 2^3130842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3130842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3810240).

3130842 is an abundant number, since it is smaller than the sum of its proper divisors (4489638).

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

3130842 is a wasteful number, since it uses less digits than its factorization.

3130842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3130842 is about 1769.4185485633. The cubic root of 3130842 is about 146.2919347933.

The spelling of 3130842 in words is "three million, one hundred thirty thousand, eight hundred forty-two".