490766091 has 16 divisors (see below), whose sum is σ = 663936000. Its totient is φ = 322403328.

The previous prime is 490766077. The next prime is 490766123. The reversal of 490766091 is 190667094.

It is not a de Polignac number, because 490766091 - 2¹⁵ = 490733323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490766041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140235 + ... + 143691.

It is an arithmetic number, because the mean of its divisors is an integer number (41496000).

Almost surely, 2^490766091 is an apocalyptic number.

490766091 is a deficient number, since it is larger than the sum of its proper divisors (173169909).

490766091 is a wasteful number, since it uses less digits than its factorization.

490766091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 490766091 is about 22153.2410947021. The cubic root of 490766091 is about 788.7841635021.

The spelling of 490766091 in words is "four hundred ninety million, seven hundred sixty-six thousand, ninety-one".