2490775 has 24 divisors (see below), whose sum is σ = 3622784. Its totient is φ = 1663200.

The previous prime is 2490769. The next prime is 2490809. The reversal of 2490775 is 5770942.

It is not a de Polignac number, because 2490775 - 2⁵ = 2490743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2490775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7360 + ... + 7690.

2^2490775 is an apocalyptic number.

2490775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2490775 is a deficient number, since it is larger than the sum of its proper divisors (1132009).

2490775 is a wasteful number, since it uses less digits than its factorization.

2490775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 2490775 is about 1578.2189328480. The cubic root of 2490775 is about 135.5537383922.

The spelling of 2490775 in words is "two million, four hundred ninety thousand, seven hundred seventy-five".