2490244 has 6 divisors (see below), whose sum is σ = 4357934. Its totient is φ = 1245120.

The previous prime is 2490239. The next prime is 2490247. The reversal of 2490244 is 4420942.

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 56644 = 1560^2 + 238^2 .

It is not an unprimeable number, because it can be changed into a prime (2490247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311277 + ... + 311284.

2^2490244 is an apocalyptic number.

It is an amenable number.

2490244 is a deficient number, since it is larger than the sum of its proper divisors (1867690).

2490244 is a wasteful number, since it uses less digits than its factorization.

2490244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622565 (or 622563 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2490244 is about 1578.0506962706. The cubic root of 2490244 is about 135.5441049581.

The spelling of 2490244 in words is "two million, four hundred ninety thousand, two hundred forty-four".