2891492 has 12 divisors (see below), whose sum is σ = 5178096. Its totient is φ = 1412040.

The previous prime is 2891489. The next prime is 2891501. The reversal of 2891492 is 2941982.

2891492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8234 + ... + 8577.

It is an arithmetic number, because the mean of its divisors is an integer number (431508).

2^2891492 is an apocalyptic number.

It is an amenable number.

2891492 is a deficient number, since it is larger than the sum of its proper divisors (2286604).

2891492 is a wasteful number, since it uses less digits than its factorization.

2891492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16858 (or 16856 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 2891492 is about 1700.4387669069. The cubic root of 2891492 is about 142.4647209270.

The spelling of 2891492 in words is "two million, eight hundred ninety-one thousand, four hundred ninety-two".