2490863 has 4 divisors (see below), whose sum is σ = 2516640. Its totient is φ = 2465088.

The previous prime is 2490847. The next prime is 2490869. The reversal of 2490863 is 3680942.

2490863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2490863 - 2⁴ = 2490847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12743 + ... + 12936.

It is an arithmetic number, because the mean of its divisors is an integer number (629160).

2^2490863 is an apocalyptic number.

2490863 is a deficient number, since it is larger than the sum of its proper divisors (25777).

2490863 is an equidigital number, since it uses as much as digits as its factorization.

2490863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25776.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2490863 is about 1578.2468121305. The cubic root of 2490863 is about 135.5553347613. Note that the first 3 decimals are identical.

The spelling of 2490863 in words is "two million, four hundred ninety thousand, eight hundred sixty-three".