490715690 has 16 divisors (see below), whose sum is σ = 891865728. Its totient is φ = 194380176.

The previous prime is 490715669. The next prime is 490715707. The reversal of 490715690 is 96517094.

It is a super-2 number, since 2×490715690² = 481603776824352200, which contains 22 as substring.

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, 237182 + ... + 239241.

It is an arithmetic number, because the mean of its divisors is an integer number (55741608).

Almost surely, 2^490715690 is an apocalyptic number.

490715690 is a deficient number, since it is larger than the sum of its proper divisors (401150038).

490715690 is a wasteful number, since it uses less digits than its factorization.

490715690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476533.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 490715690 is about 22152.1035118564. The cubic root of 490715690 is about 788.7571602295.

The spelling of 490715690 in words is "four hundred ninety million, seven hundred fifteen thousand, six hundred ninety".