478132 has 6 divisors (see below), whose sum is σ = 836738. Its totient is φ = 239064.

The previous prime is 478129. The next prime is 478139. The reversal of 478132 is 231874.

It can be written as a sum of positive squares in only one way, i.e., 401956 + 76176 = 634^2 + 276^2 .

It is a super-2 number, since 2×478132² = 457220418848, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 478097 and 478106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59763 + ... + 59770.

2⁴⁷⁸¹³² is an apocalyptic number.

It is an amenable number.

478132 is a deficient number, since it is larger than the sum of its proper divisors (358606).

478132 is a wasteful number, since it uses less digits than its factorization.

478132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119537 (or 119535 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 478132 is about 691.4708959891. The cubic root of 478132 is about 78.1956517141.

The spelling of 478132 in words is "four hundred seventy-eight thousand, one hundred thirty-two".