478988 has 6 divisors (see below), whose sum is σ = 838236. Its totient is φ = 239492.

The previous prime is 478967. The next prime is 478991. The reversal of 478988 is 889874.

It is a happy number.

478988 is nontrivially palindromic in base 3.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59870 + ... + 59877.

It is an arithmetic number, because the mean of its divisors is an integer number (139706).

2⁴⁷⁸⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

478988 is a deficient number, since it is larger than the sum of its proper divisors (359248).

478988 is a wasteful number, since it uses less digits than its factorization.

478988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119751 (or 119749 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 478988 is about 692.0895895764. The cubic root of 478988 is about 78.2422884676.

The spelling of 478988 in words is "four hundred seventy-eight thousand, nine hundred eighty-eight".