478736 has 10 divisors (see below), whose sum is σ = 927582. Its totient is φ = 239360.

The previous prime is 478729. The next prime is 478739. The reversal of 478736 is 637874.

It can be written as a sum of positive squares in only one way, i.e., 430336 + 48400 = 656^2 + 220^2 .

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 478696 and 478705.

It is not an unprimeable number, because it can be changed into a prime (478739) by changing a digit.

478736 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 as a sum of consecutive naturals, namely, 14945 + ... + 14976.

2⁴⁷⁸⁷³⁶ is an apocalyptic number.

It is an amenable number.

478736 is a deficient number, since it is larger than the sum of its proper divisors (448846).

478736 is a wasteful number, since it uses less digits than its factorization.

478736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29929 (or 29923 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 478736 is about 691.9075082697. The cubic root of 478736 is about 78.2285647310.

The spelling of 478736 in words is "four hundred seventy-eight thousand, seven hundred thirty-six".