478700684 has 72 divisors (see below), whose sum is σ = 1058658720. Its totient is φ = 185391360.

The previous prime is 478700683. The next prime is 478700701. The reversal of 478700684 is 486007874.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (478700681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 775544 + ... + 776160.

Almost surely, 2^478700684 is an apocalyptic number.

478700684 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478700684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529329360).

478700684 is an abundant number, since it is smaller than the sum of its proper divisors (579958036).

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

478700684 is a wasteful number, since it uses less digits than its factorization.

478700684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 478700684 is about 21879.2295111140. The cubic root of 478700684 is about 782.2664106258.

The spelling of 478700684 in words is "four hundred seventy-eight million, seven hundred thousand, six hundred eighty-four".