490990895 has 8 divisors (see below), whose sum is σ = 589649760. Its totient is φ = 392485600.

The previous prime is 490990883. The next prime is 490990901. The reversal of 490990895 is 598099094.

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

It is not a de Polignac number, because 490990895 - 2⁸ = 490990639 is a prime.

It is a congruent 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, 31235 + ... + 44244.

It is an arithmetic number, because the mean of its divisors is an integer number (73706220).

Almost surely, 2^490990895 is an apocalyptic number.

490990895 is a deficient number, since it is larger than the sum of its proper divisors (98658865).

490990895 is a wasteful number, since it uses less digits than its factorization.

490990895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76785.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The square root of 490990895 is about 22158.3143537590. The cubic root of 490990895 is about 788.9045839156.

It can be divided in two parts, 49099089 and 5, that added together give a palindrome (49099094).

The spelling of 490990895 in words is "four hundred ninety million, nine hundred ninety thousand, eight hundred ninety-five".