2490290 has 16 divisors (see below), whose sum is σ = 4890240. Its totient is φ = 905520.

The previous prime is 2490283. The next prime is 2490307. The reversal of 2490290 is 920942.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11210 + ... + 11429.

It is an arithmetic number, because the mean of its divisors is an integer number (305640).

2^2490290 is an apocalyptic number.

2490290 is a deficient number, since it is larger than the sum of its proper divisors (2399950).

2490290 is a wasteful number, since it uses less digits than its factorization.

2490290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22657.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2490290 is about 1578.0652711469. The cubic root of 2490290 is about 135.5449395471.

The spelling of 2490290 in words is "two million, four hundred ninety thousand, two hundred ninety".