2392881 has 4 divisors (see below), whose sum is σ = 3190512. Its totient is φ = 1595252.

The previous prime is 2392861. The next prime is 2392891. The reversal of 2392881 is 1882932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2392881 - 2⁵ = 2392849 is a prime.

It is a super-2 number, since 2×2392881² = 11451758960322, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2392811) 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, 398811 + ... + 398816.

It is an arithmetic number, because the mean of its divisors is an integer number (797628).

2^2392881 is an apocalyptic number.

It is an amenable number.

2392881 is a deficient number, since it is larger than the sum of its proper divisors (797631).

2392881 is an equidigital number, since it uses as much as digits as its factorization.

2392881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797630.

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

The square root of 2392881 is about 1546.8939847320. The cubic root of 2392881 is about 133.7540785433.

The spelling of 2392881 in words is "two million, three hundred ninety-two thousand, eight hundred eighty-one".