479090489 has 8 divisors (see below), whose sum is σ = 481472160. Its totient is φ = 476715456.

The previous prime is 479090441. The next prime is 479090539. The reversal of 479090489 is 984090974.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479090489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479090419) 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, 197009 + ... + 199425.

It is an arithmetic number, because the mean of its divisors is an integer number (60184020).

Almost surely, 2^479090489 is an apocalyptic number.

It is an amenable number.

479090489 is a deficient number, since it is larger than the sum of its proper divisors (2381671).

479090489 is a wasteful number, since it uses less digits than its factorization.

479090489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 479090489 is about 21888.1358045860. The cubic root of 479090489 is about 782.4786856705.

The spelling of 479090489 in words is "four hundred seventy-nine million, ninety thousand, four hundred eighty-nine".