490757994 has 32 divisors (see below), whose sum is σ = 1091496000. Its totient is φ = 163447632.

The previous prime is 490757963. The next prime is 490758019. The reversal of 490757994 is 499757094.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 490757994.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75672 + ... + 81900.

It is an arithmetic number, because the mean of its divisors is an integer number (34109250).

Almost surely, 2^490757994 is an apocalyptic number.

490757994 is an abundant number, since it is smaller than the sum of its proper divisors (600738006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490757994 is a wasteful number, since it uses less digits than its factorization.

490757994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699 (or 7693 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 490757994 is about 22153.0583441655. The cubic root of 490757994 is about 788.7798255085.

The spelling of 490757994 in words is "four hundred ninety million, seven hundred fifty-seven thousand, nine hundred ninety-four".