2490879 has 4 divisors (see below), whose sum is σ = 3321176. Its totient is φ = 1660584.

The previous prime is 2490869. The next prime is 2490889. The reversal of 2490879 is 9780942.

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

It is an interprime number because it is at equal distance from previous prime (2490869) and next prime (2490889).

It is not a de Polignac number, because 2490879 - 2⁵ = 2490847 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415144 + ... + 415149.

It is an arithmetic number, because the mean of its divisors is an integer number (830294).

2^2490879 is an apocalyptic number.

2490879 is a deficient number, since it is larger than the sum of its proper divisors (830297).

2490879 is an equidigital number, since it uses as much as digits as its factorization.

2490879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830296.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2490879 is about 1578.2518810380. The cubic root of 2490879 is about 135.5556250062. Note that the first 3 decimals are identical.

The spelling of 2490879 in words is "two million, four hundred ninety thousand, eight hundred seventy-nine".