490437318 has 64 divisors (see below), whose sum is σ = 1193425920. Its totient is φ = 131162112.

The previous prime is 490437307. The next prime is 490437341. The reversal of 490437318 is 813734094.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136023 + ... + 139581.

It is an arithmetic number, because the mean of its divisors is an integer number (18647280).

Almost surely, 2^490437318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490437318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596712960).

490437318 is an abundant number, since it is smaller than the sum of its proper divisors (702988602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490437318 is a wasteful number, since it uses less digits than its factorization.

490437318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 490437318 is about 22145.8194248937. The cubic root of 490437318 is about 788.6079839383.

The spelling of 490437318 in words is "four hundred ninety million, four hundred thirty-seven thousand, three hundred eighteen".