384457448 has 32 divisors (see below), whose sum is σ = 769305600. Its totient is φ = 179488512.

The previous prime is 384457429. The next prime is 384457477. The reversal of 384457448 is 844754483.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6143 + ... + 28401.

It is an arithmetic number, because the mean of its divisors is an integer number (24040800).

Almost surely, 2^384457448 is an apocalyptic number.

It is an amenable number.

384457448 is an abundant number, since it is smaller than the sum of its proper divisors (384848152).

384457448 is a wasteful number, since it uses less digits than its factorization.

384457448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22409 (or 22405 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 47.

The square root of 384457448 is about 19607.5864909478. The cubic root of 384457448 is about 727.1367469671.

The spelling of 384457448 in words is "three hundred eighty-four million, four hundred fifty-seven thousand, four hundred forty-eight".