478704252 has 48 divisors (see below), whose sum is σ = 1205235360. Its totient is φ = 147007488.

The previous prime is 478704217. The next prime is 478704283. The reversal of 478704252 is 252407874.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 478704252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86068 + ... + 91460.

It is an arithmetic number, because the mean of its divisors is an integer number (25109070).

Almost surely, 2^478704252 is an apocalyptic number.

It is an amenable number.

478704252 is an abundant number, since it is smaller than the sum of its proper divisors (726531108).

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

478704252 is a wasteful number, since it uses less digits than its factorization.

478704252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982 (or 5980 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 478704252 is about 21879.3110494823. The cubic root of 478704252 is about 782.2683541643.

The spelling of 478704252 in words is "four hundred seventy-eight million, seven hundred four thousand, two hundred fifty-two".