490790218 has 8 divisors (see below), whose sum is σ = 753306048. Its totient is φ = 239688204.

The previous prime is 490790191. The next prime is 490790249. The reversal of 490790218 is 812097094.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2853346 + ... + 2853517.

It is an arithmetic number, because the mean of its divisors is an integer number (94163256).

Almost surely, 2^490790218 is an apocalyptic number.

490790218 is a deficient number, since it is larger than the sum of its proper divisors (262515830).

490790218 is a wasteful number, since it uses less digits than its factorization.

490790218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5706908.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 490790218 is about 22153.7856358682. The cubic root of 490790218 is about 788.7970893365.

The spelling of 490790218 in words is "four hundred ninety million, seven hundred ninety thousand, two hundred eighteen".