479021599 has 18 divisors (see below), whose sum is σ = 563574960. Its totient is φ = 405965952.

The previous prime is 479021581. The next prime is 479021639. The reversal of 479021599 is 995120974.

It is a happy number.

It is not a de Polignac number, because 479021599 - 2⁵ = 479021567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479021519) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 460522 + ... + 461560.

It is an arithmetic number, because the mean of its divisors is an integer number (31309720).

Almost surely, 2^479021599 is an apocalyptic number.

479021599 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

479021599 is a deficient number, since it is larger than the sum of its proper divisors (84553361).

479021599 is an equidigital number, since it uses as much as digits as its factorization.

479021599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 479021599 is about 21886.5620644267. The cubic root of 479021599 is about 782.4411788099.

The spelling of 479021599 in words is "four hundred seventy-nine million, twenty-one thousand, five hundred ninety-nine".