490803457 has 8 divisors (see below), whose sum is σ = 492837696. Its totient is φ = 488774352.

The previous prime is 490803449. The next prime is 490803473. The reversal of 490803457 is 754308094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 490803457 - 2³ = 490803449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490803487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383703 + ... + 384979.

It is an arithmetic number, because the mean of its divisors is an integer number (61604712).

Almost surely, 2^490803457 is an apocalyptic number.

It is an amenable number.

490803457 is a deficient number, since it is larger than the sum of its proper divisors (2034239).

490803457 is a wasteful number, since it uses less digits than its factorization.

490803457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 490803457 is about 22154.0844315444. The cubic root of 490803457 is about 788.8041818378.

The spelling of 490803457 in words is "four hundred ninety million, eight hundred three thousand, four hundred fifty-seven".