490440297 has 8 divisors (see below), whose sum is σ = 654336256. Its totient is φ = 326752272.

The previous prime is 490440287. The next prime is 490440317. The reversal of 490440297 is 792044094.

It is a happy number.

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

It is not a de Polignac number, because 490440297 - 2⁴ = 490440281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490440287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46393 + ... + 55974.

It is an arithmetic number, because the mean of its divisors is an integer number (81792032).

Almost surely, 2^490440297 is an apocalyptic number.

It is an amenable number.

490440297 is a deficient number, since it is larger than the sum of its proper divisors (163895959).

490440297 is a wasteful number, since it uses less digits than its factorization.

490440297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103967.

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

The square root of 490440297 is about 22145.8866835356. The cubic root of 490440297 is about 788.6095806482.

The spelling of 490440297 in words is "four hundred ninety million, four hundred forty thousand, two hundred ninety-seven".