2490626 has 8 divisors (see below), whose sum is σ = 3799440. Its totient is φ = 1224148.

The previous prime is 2490623. The next prime is 2490637. The reversal of 2490626 is 6260942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2490623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10436 + ... + 10671.

It is an arithmetic number, because the mean of its divisors is an integer number (474930).

2^2490626 is an apocalyptic number.

2490626 is a deficient number, since it is larger than the sum of its proper divisors (1308814).

2490626 is a wasteful number, since it uses less digits than its factorization.

2490626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21168.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2490626 is about 1578.1717270310. The cubic root of 2490626 is about 135.5510353634.

The spelling of 2490626 in words is "two million, four hundred ninety thousand, six hundred twenty-six".