478749232 has 120 divisors (see below), whose sum is σ = 1104009200. Its totient is φ = 199355904.

The previous prime is 478749217. The next prime is 478749241. The reversal of 478749232 is 232947874.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2090494 + ... + 2090722.

Almost surely, 2^478749232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478749232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552004600).

478749232 is an abundant number, since it is smaller than the sum of its proper divisors (625259968).

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

478749232 is a wasteful number, since it uses less digits than its factorization.

478749232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 286 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 478749232 is about 21880.3389370457. The cubic root of 478749232 is about 782.2928545585.

The spelling of 478749232 in words is "four hundred seventy-eight million, seven hundred forty-nine thousand, two hundred thirty-two".