479644089 has 8 divisors (see below), whose sum is σ = 649070880. Its totient is φ = 314990016.

The previous prime is 479644073. The next prime is 479644097. The reversal of 479644089 is 980446974.

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

It is not a de Polignac number, because 479644089 - 2⁴ = 479644073 is a prime.

It is a super-2 number, since 2×479644089² = 460116904225279842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (479644019) 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, 1192944 + ... + 1193345.

It is an arithmetic number, because the mean of its divisors is an integer number (81133860).

Almost surely, 2^479644089 is an apocalyptic number.

It is an amenable number.

479644089 is a deficient number, since it is larger than the sum of its proper divisors (169426791).

479644089 is a wasteful number, since it uses less digits than its factorization.

479644089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386359.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 479644089 is about 21900.7782738422. The cubic root of 479644089 is about 782.7799603201.

The spelling of 479644089 in words is "four hundred seventy-nine million, six hundred forty-four thousand, eighty-nine".