490382185 has 4 divisors (see below), whose sum is σ = 588458628. Its totient is φ = 392305744.

The previous prime is 490382183. The next prime is 490382209. The reversal of 490382185 is 581283094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 296838441 + 193543744 = 17229^2 + 13912^2 .

It is a cyclic number.

It is not a de Polignac number, because 490382185 - 2¹ = 490382183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490382183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49038214 + ... + 49038223.

It is an arithmetic number, because the mean of its divisors is an integer number (147114657).

Almost surely, 2^490382185 is an apocalyptic number.

It is an amenable number.

490382185 is a deficient number, since it is larger than the sum of its proper divisors (98076443).

490382185 is an equidigital number, since it uses as much as digits as its factorization.

490382185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98076442.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 490382185 is about 22144.5746177252. The cubic root of 490382185 is about 788.5784321134.

Subtracting 490382185 from its reverse (581283094), we obtain a palindrome (90900909).

The spelling of 490382185 in words is "four hundred ninety million, three hundred eighty-two thousand, one hundred eighty-five".