490087091 has 16 divisors (see below), whose sum is σ = 547749888. Its totient is φ = 435434400.

The previous prime is 490087069. The next prime is 490087123. The reversal of 490087091 is 190780094.

It is a cyclic number.

It is not a de Polignac number, because 490087091 - 2⁶ = 490087027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490087061) 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, 73790 + ... + 80156.

It is an arithmetic number, because the mean of its divisors is an integer number (34234368).

Almost surely, 2^490087091 is an apocalyptic number.

490087091 is a deficient number, since it is larger than the sum of its proper divisors (57662797).

490087091 is a wasteful number, since it uses less digits than its factorization.

490087091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 490087091 is about 22137.9107189455. The cubic root of 490087091 is about 788.4202211884.

The spelling of 490087091 in words is "four hundred ninety million, eighty-seven thousand, ninety-one".