490497101 has 8 divisors (see below), whose sum is σ = 493777944. Its totient is φ = 487224640.

The previous prime is 490497083. The next prime is 490497113. The reversal of 490497101 is 101794094.

It can be written as a sum of positive squares in 4 ways, for example, as 152893225 + 337603876 = 12365^2 + 18374^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 490497101 - 2²⁶ = 423388237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490491101) 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, 150671 + ... + 153891.

It is an arithmetic number, because the mean of its divisors is an integer number (61722243).

Almost surely, 2^490497101 is an apocalyptic number.

It is an amenable number.

490497101 is a deficient number, since it is larger than the sum of its proper divisors (3280843).

490497101 is a wasteful number, since it uses less digits than its factorization.

490497101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 490497101 is about 22147.1691419016. The cubic root of 490497101 is about 788.6400257058.

The spelling of 490497101 in words is "four hundred ninety million, four hundred ninety-seven thousand, one hundred one".