490777243 has 32 divisors (see below), whose sum is σ = 576460800. Its totient is φ = 413381760.

The previous prime is 490777241. The next prime is 490777247. The reversal of 490777243 is 342777094.

It is not a de Polignac number, because 490777243 - 2¹ = 490777241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 490777243.

It is not an unprimeable number, because it can be changed into a prime (490777241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1771621 + ... + 1771897.

It is an arithmetic number, because the mean of its divisors is an integer number (18014400).

Almost surely, 2^490777243 is an apocalyptic number.

490777243 is a deficient number, since it is larger than the sum of its proper divisors (85683557).

490777243 is a wasteful number, since it uses less digits than its factorization.

490777243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507.

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 490777243 is about 22153.4927945911. The cubic root of 490777243 is about 788.7901381436.

The spelling of 490777243 in words is "four hundred ninety million, seven hundred seventy-seven thousand, two hundred forty-three".