478488 has 16 divisors (see below), whose sum is σ = 1196280. Its totient is φ = 159488.

The previous prime is 478483. The next prime is 478493. The reversal of 478488 is 884874.

It is an interprime number because it is at equal distance from previous prime (478483) and next prime (478493).

It is a super-2 number, since 2×478488² = 457901532288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478481) by changing a digit.

478488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9945 + ... + 9992.

2⁴⁷⁸⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

478488 is an abundant number, since it is smaller than the sum of its proper divisors (717792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478488 is a wasteful number, since it uses less digits than its factorization.

478488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19946 (or 19942 counting only the distinct ones).

The product of its digits is 57344, while the sum is 39.

The square root of 478488 is about 691.7282703490. The cubic root of 478488 is about 78.2150541287.

The spelling of 478488 in words is "four hundred seventy-eight thousand, four hundred eighty-eight".