490315873 has 4 divisors (see below), whose sum is σ = 490491540. Its totient is φ = 490140208.

The previous prime is 490315811. The next prime is 490315883. The reversal of 490315873 is 378513094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 378513094 = 2 ⋅189256547.

It can be written as a sum of positive squares in 2 ways, for example, as 10837264 + 479478609 = 3292^2 + 21897^2 .

It is a cyclic number.

It is not a de Polignac number, because 490315873 - 2¹³ = 490307681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490315883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83578 + ... + 89251.

It is an arithmetic number, because the mean of its divisors is an integer number (122622885).

Almost surely, 2^490315873 is an apocalyptic number.

It is an amenable number.

490315873 is a deficient number, since it is larger than the sum of its proper divisors (175667).

490315873 is a wasteful number, since it uses less digits than its factorization.

490315873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175666.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 490315873 is about 22143.0773154952. The cubic root of 490315873 is about 788.5428853012.

The spelling of 490315873 in words is "four hundred ninety million, three hundred fifteen thousand, eight hundred seventy-three".