490520979 has 36 divisors (see below), whose sum is σ = 769939560. Its totient is φ = 300792960.

The previous prime is 490520957. The next prime is 490520981. The reversal of 490520979 is 979025094.

It is not a de Polignac number, because 490520979 - 2⁷ = 490520851 is a prime.

It is a super-2 number, since 2×490520979² = 481221661678236882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (490520939) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 792132 + ... + 792750.

It is an arithmetic number, because the mean of its divisors is an integer number (21387210).

Almost surely, 2^490520979 is an apocalyptic number.

490520979 is a deficient number, since it is larger than the sum of its proper divisors (279418581).

490520979 is a wasteful number, since it uses less digits than its factorization.

490520979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 490520979 is about 22147.7082110091. The cubic root of 490520979 is about 788.6528228192.

The spelling of 490520979 in words is "four hundred ninety million, five hundred twenty thousand, nine hundred seventy-nine".