384728724 has 48 divisors (see below), whose sum is σ = 1029629440. Its totient is φ = 124104960.

The previous prime is 384728723. The next prime is 384728731. The reversal of 384728724 is 427827483.

It is a self number, because there is not a number n which added to its sum of digits gives 384728724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384728723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54109 + ... + 60804.

Almost surely, 2^384728724 is an apocalyptic number.

It is an amenable number.

384728724 is an abundant number, since it is smaller than the sum of its proper divisors (644900716).

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

384728724 is a wasteful number, since it uses less digits than its factorization.

384728724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114957 (or 114949 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 384728724 is about 19614.5028996404. The cubic root of 384728724 is about 727.3077311012.

The spelling of 384728724 in words is "three hundred eighty-four million, seven hundred twenty-eight thousand, seven hundred twenty-four".