2490291 has 8 divisors (see below), whose sum is σ = 3689360. Its totient is φ = 1660176.

The previous prime is 2490283. The next prime is 2490307. The reversal of 2490291 is 1920942.

It is not a de Polignac number, because 2490291 - 2³ = 2490283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 92233 = 2490291 / (2 + 4 + 9 + 0 + 2 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46090 + ... + 46143.

It is an arithmetic number, because the mean of its divisors is an integer number (461170).

2^2490291 is an apocalyptic number.

2490291 is a deficient number, since it is larger than the sum of its proper divisors (1199069).

2490291 is an equidigital number, since it uses as much as digits as its factorization.

2490291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92242 (or 92236 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2490291 is about 1578.0655879906. The cubic root of 2490291 is about 135.5449576902.

The spelling of 2490291 in words is "two million, four hundred ninety thousand, two hundred ninety-one".