2731992 has 32 divisors (see below), whose sum is σ = 6936000. Its totient is φ = 896544.

The previous prime is 2731987. The next prime is 2731997. The reversal of 2731992 is 2991372.

It is an interprime number because it is at equal distance from previous prime (2731987) and next prime (2731997).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731997) 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 7 ways as a sum of consecutive naturals, for example, 759 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (216750).

2^2731992 is an apocalyptic number.

It is an amenable number.

2731992 is an abundant number, since it is smaller than the sum of its proper divisors (4204008).

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

2731992 is a wasteful number, since it uses less digits than its factorization.

2731992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775 (or 1771 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 2731992 is about 1652.8738608859. The cubic root of 2731992 is about 139.7954836947.

The spelling of 2731992 in words is "two million, seven hundred thirty-one thousand, nine hundred ninety-two".