2831292 has 72 divisors (see below), whose sum is σ = 7687680. Its totient is φ = 876960.

The previous prime is 2831273. The next prime is 2831293. The reversal of 2831292 is 2921382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2831293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47959 + ... + 48017.

2^2831292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2831292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3843840).

2831292 is an abundant number, since it is smaller than the sum of its proper divisors (4856388).

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

2831292 is a wasteful number, since it uses less digits than its factorization.

2831292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 138 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2831292 is about 1682.6443474484. The cubic root of 2831292 is about 141.4690880462.

The spelling of 2831292 in words is "two million, eight hundred thirty-one thousand, two hundred ninety-two".