478835656 has 16 divisors (see below), whose sum is σ = 966879900. Its totient is φ = 221001024.

The previous prime is 478835653. The next prime is 478835657. The reversal of 478835656 is 656538874.

It can be written as a sum of positive squares in 2 ways, for example, as 478296900 + 538756 = 21870^2 + 734^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (478835653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2301991 + ... + 2302198.

Almost surely, 2^478835656 is an apocalyptic number.

It is an amenable number.

478835656 is an abundant number, since it is smaller than the sum of its proper divisors (488044244).

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

478835656 is a wasteful number, since it uses less digits than its factorization.

478835656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604208 (or 4604204 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The square root of 478835656 is about 21882.3137716284. The cubic root of 478835656 is about 782.3399249976.

The spelling of 478835656 in words is "four hundred seventy-eight million, eight hundred thirty-five thousand, six hundred fifty-six".