490253785 has 16 divisors (see below), whose sum is σ = 673396992. Its totient is φ = 335649600.

The previous prime is 490253779. The next prime is 490253791. The reversal of 490253785 is 587352094.

It is an interprime number because it is at equal distance from previous prime (490253779) and next prime (490253791).

It is not a de Polignac number, because 490253785 - 2⁹ = 490253273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12540 + ... + 33730.

It is an arithmetic number, because the mean of its divisors is an integer number (42087312).

Almost surely, 2^490253785 is an apocalyptic number.

It is an amenable number.

490253785 is a deficient number, since it is larger than the sum of its proper divisors (183143207).

490253785 is a wasteful number, since it uses less digits than its factorization.

490253785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21864.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 490253785 is about 22141.6752979534. The cubic root of 490253785 is about 788.5095998757.

The spelling of 490253785 in words is "four hundred ninety million, two hundred fifty-three thousand, seven hundred eighty-five".