490248401 has 6 divisors (see below), whose sum is σ = 495968130. Its totient is φ = 484533456.

The previous prime is 490248383. The next prime is 490248449. The reversal of 490248401 is 104842094.

It can be written as a sum of positive squares in only one way, i.e., 352538176 + 137710225 = 18776^2 + 11735^2 .

It is not a de Polignac number, because 490248401 - 2²² = 486054097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490248481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207710 + ... + 210056.

It is an arithmetic number, because the mean of its divisors is an integer number (82661355).

Almost surely, 2^490248401 is an apocalyptic number.

It is an amenable number.

490248401 is a deficient number, since it is larger than the sum of its proper divisors (5719729).

490248401 is an frugal number, since it uses more digits than its factorization.

490248401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783 (or 2436 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 490248401 is about 22141.5537169368. The cubic root of 490248401 is about 788.5067133767.

The spelling of 490248401 in words is "four hundred ninety million, two hundred forty-eight thousand, four hundred one".