490554905 has 8 divisors (see below), whose sum is σ = 597452352. Its totient is φ = 386586288.

The previous prime is 490554887. The next prime is 490554919. The reversal of 490554905 is 509455094.

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 490554905 - 2¹⁶ = 490489369 is a prime.

It is a super-2 number, since 2×490554905² = 481288229639118050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731837 + ... + 732506.

It is an arithmetic number, because the mean of its divisors is an integer number (74681544).

Almost surely, 2^490554905 is an apocalyptic number.

It is an amenable number.

490554905 is a deficient number, since it is larger than the sum of its proper divisors (106897447).

490554905 is a wasteful number, since it uses less digits than its factorization.

490554905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464415.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 490554905 is about 22148.4741009398. The cubic root of 490554905 is about 788.6710043173.

The spelling of 490554905 in words is "four hundred ninety million, five hundred fifty-four thousand, nine hundred five".