490890633 has 8 divisors (see below), whose sum is σ = 682978368. Its totient is φ = 313031664.

The previous prime is 490890601. The next prime is 490890649. The reversal of 490890633 is 336098094.

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

It is not a de Polignac number, because 490890633 - 2⁵ = 490890601 is a prime.

It is a super-2 number, since 2×490890633² = 481947227134281378, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (490890133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3557110 + ... + 3557247.

It is an arithmetic number, because the mean of its divisors is an integer number (85372296).

Almost surely, 2^490890633 is an apocalyptic number.

It is an amenable number.

490890633 is a deficient number, since it is larger than the sum of its proper divisors (192087735).

490890633 is a wasteful number, since it uses less digits than its factorization.

490890633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114383.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 490890633 is about 22156.0518369135. The cubic root of 490890633 is about 788.8508812660.

The spelling of 490890633 in words is "four hundred ninety million, eight hundred ninety thousand, six hundred thirty-three".