384376728 has 32 divisors (see below), whose sum is σ = 969764400. Its totient is φ = 126949248.

The previous prime is 384376717. The next prime is 384376753. The reversal of 384376728 is 827673483.

It is a congruent number.

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, 70851 + ... + 76082.

Almost surely, 2^384376728 is an apocalyptic number.

It is an amenable number.

384376728 is an abundant number, since it is smaller than the sum of its proper divisors (585387672).

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

384376728 is a wasteful number, since it uses less digits than its factorization.

384376728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147051 (or 147047 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 384376728 is about 19605.5279959505. The cubic root of 384376728 is about 727.0858539603.

The spelling of 384376728 in words is "three hundred eighty-four million, three hundred seventy-six thousand, seven hundred twenty-eight".