2490785 has 24 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 1723040.

The previous prime is 2490769. The next prime is 2490809. The reversal of 2490785 is 5870942.

It is a happy number.

It is not a de Polignac number, because 2490785 - 2⁴ = 2490769 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13826 + ... + 14004.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

2^2490785 is an apocalyptic number.

It is an amenable number.

2490785 is a deficient number, since it is larger than the sum of its proper divisors (956575).

2490785 is a wasteful number, since it uses less digits than its factorization.

2490785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2490785 is about 1578.2221009731. Note that the first 3 decimals coincide. The cubic root of 2490785 is about 135.5539197997.

It can be divided in two parts, 24 and 90785, that added together give a palindrome (90809).

The spelling of 2490785 in words is "two million, four hundred ninety thousand, seven hundred eighty-five".