2490818 has 16 divisors (see below), whose sum is σ = 4172256. Its totient is φ = 1105440.

The previous prime is 2490811. The next prime is 2490821. The reversal of 2490818 is 8180942.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2490811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (260766).

2^2490818 is an apocalyptic number.

2490818 is a deficient number, since it is larger than the sum of its proper divisors (1681438).

2490818 is a wasteful number, since it uses less digits than its factorization.

2490818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2490818 is about 1578.2325557408. The cubic root of 2490818 is about 135.5545184409.

The spelling of 2490818 in words is "two million, four hundred ninety thousand, eight hundred eighteen".