479815489 has 8 divisors (see below), whose sum is σ = 516828672. Its totient is φ = 444148320.

The previous prime is 479815481. The next prime is 479815513. The reversal of 479815489 is 984518974.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 479815489 - 2³ = 479815481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479815481) 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, 335764 + ... + 337189.

It is an arithmetic number, because the mean of its divisors is an integer number (64603584).

Almost surely, 2^479815489 is an apocalyptic number.

It is an amenable number.

479815489 is a deficient number, since it is larger than the sum of its proper divisors (37013183).

479815489 is a wasteful number, since it uses less digits than its factorization.

479815489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673007.

The product of its digits is 2903040, while the sum is 55.

The square root of 479815489 is about 21904.6910272663. The cubic root of 479815489 is about 782.8731909118.

The spelling of 479815489 in words is "four hundred seventy-nine million, eight hundred fifteen thousand, four hundred eighty-nine".