479987 has 8 divisors (see below), whose sum is σ = 514080. Its totient is φ = 447040.

The previous prime is 479971. The next prime is 480013. The reversal of 479987 is 789974.

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 479987 - 2⁴ = 479971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479957) 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, 689 + ... + 1197.

It is an arithmetic number, because the mean of its divisors is an integer number (64260).

2⁴⁷⁹⁹⁸⁷ is an apocalyptic number.

479987 is a deficient number, since it is larger than the sum of its proper divisors (34093).

479987 is a wasteful number, since it uses less digits than its factorization.

479987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its digits is 127008, while the sum is 44.

The square root of 479987 is about 692.8109410222. The cubic root of 479987 is about 78.2966459659.

The spelling of 479987 in words is "four hundred seventy-nine thousand, nine hundred eighty-seven".