478307832 has 64 divisors (see below), whose sum is σ = 1221350400. Its totient is φ = 156051840.

The previous prime is 478307827. The next prime is 478307833. The reversal of 478307832 is 238703874.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478307833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349213 + ... + 350579.

It is an arithmetic number, because the mean of its divisors is an integer number (19083600).

Almost surely, 2^478307832 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 478307832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610675200).

478307832 is an abundant number, since it is smaller than the sum of its proper divisors (743042568).

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

478307832 is a wasteful number, since it uses less digits than its factorization.

478307832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 478307832 is about 21870.2499299848. The cubic root of 478307832 is about 782.0523596611.

The spelling of 478307832 in words is "four hundred seventy-eight million, three hundred seven thousand, eight hundred thirty-two".