384478976 has 72 divisors (see below), whose sum is σ = 898656864. Its totient is φ = 160727040.

The previous prime is 384478973. The next prime is 384478979. The reversal of 384478976 is 679874483.

It is an interprime number because it is at equal distance from previous prime (384478973) and next prime (384478979).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384478973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70856 + ... + 76088.

Almost surely, 2^384478976 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 384478976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449328432).

384478976 is an abundant number, since it is smaller than the sum of its proper divisors (514177888).

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

384478976 is an equidigital number, since it uses as much as digits as its factorization.

384478976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5297 (or 5283 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The square root of 384478976 is about 19608.1354544485. The cubic root of 384478976 is about 727.1503189136.

The spelling of 384478976 in words is "three hundred eighty-four million, four hundred seventy-eight thousand, nine hundred seventy-six".