2881392 has 20 divisors (see below), whose sum is σ = 7443720. Its totient is φ = 960448.

The previous prime is 2881391. The next prime is 2881397. The reversal of 2881392 is 2931882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29967 + ... + 30062.

It is an arithmetic number, because the mean of its divisors is an integer number (372186).

2^2881392 is an apocalyptic number.

It is an amenable number.

2881392 is an abundant number, since it is smaller than the sum of its proper divisors (4562328).

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

2881392 is a wasteful number, since it uses less digits than its factorization.

2881392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60040 (or 60034 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 2881392 is about 1697.4663472364. The cubic root of 2881392 is about 142.2986506889.

The spelling of 2881392 in words is "two million, eight hundred eighty-one thousand, three hundred ninety-two".