490589769 has 4 divisors (see below), whose sum is σ = 654119696. Its totient is φ = 327059844.

The previous prime is 490589741. The next prime is 490589831. The reversal of 490589769 is 967985094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 490589769 - 2⁸ = 490589513 is a prime.

It is a super-2 number, since 2×490589769² = 481356642894946722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490589719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81764959 + ... + 81764964.

It is an arithmetic number, because the mean of its divisors is an integer number (163529924).

Almost surely, 2^490589769 is an apocalyptic number.

It is an amenable number.

490589769 is a deficient number, since it is larger than the sum of its proper divisors (163529927).

490589769 is a wasteful number, since it uses less digits than its factorization.

490589769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163529926.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The square root of 490589769 is about 22149.2611389184. The cubic root of 490589769 is about 788.6896876317.

The spelling of 490589769 in words is "four hundred ninety million, five hundred eighty-nine thousand, seven hundred sixty-nine".