384450816 has 36 divisors (see below), whose sum is σ = 1023201872. Its totient is φ = 128150016.

The previous prime is 384450799. The next prime is 384450821. The reversal of 384450816 is 618054483.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249526 + ... + 251061.

Almost surely, 2^384450816 is an apocalyptic number.

It is an amenable number.

384450816 is an abundant number, since it is smaller than the sum of its proper divisors (638751056).

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

384450816 is an equidigital number, since it uses as much as digits as its factorization.

384450816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500606 (or 500592 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 384450816 is about 19607.4173720049. The cubic root of 384450816 is about 727.1325658380.

The spelling of 384450816 in words is "three hundred eighty-four million, four hundred fifty thousand, eight hundred sixteen".