490535845 has 4 divisors (see below), whose sum is σ = 588643020. Its totient is φ = 392428672.

The previous prime is 490535839. The next prime is 490535879. The reversal of 490535845 is 548535094.

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 140920641 + 349615204 = 11871^2 + 18698^2 .

It is a cyclic number.

It is not a de Polignac number, because 490535845 - 2¹⁵ = 490503077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49053580 + ... + 49053589.

It is an arithmetic number, because the mean of its divisors is an integer number (147160755).

Almost surely, 2^490535845 is an apocalyptic number.

It is an amenable number.

490535845 is a deficient number, since it is larger than the sum of its proper divisors (98107175).

490535845 is an equidigital number, since it uses as much as digits as its factorization.

490535845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98107174.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 490535845 is about 22148.0438188116. The cubic root of 490535845 is about 788.6607898548.

The spelling of 490535845 in words is "four hundred ninety million, five hundred thirty-five thousand, eight hundred forty-five".