384258732 has 72 divisors (see below), whose sum is σ = 1061384688. Its totient is φ = 107479680.

The previous prime is 384258691. The next prime is 384258739. The reversal of 384258732 is 237852483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384258739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8698 + ... + 29054.

It is an arithmetic number, because the mean of its divisors is an integer number (14741454).

Almost surely, 2^384258732 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 384258732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530692344).

384258732 is an abundant number, since it is smaller than the sum of its proper divisors (677125956).

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

384258732 is a wasteful number, since it uses less digits than its factorization.

384258732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20399 (or 20386 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 384258732 is about 19602.5185116607. The cubic root of 384258732 is about 727.0114460539.

The spelling of 384258732 in words is "three hundred eighty-four million, two hundred fifty-eight thousand, seven hundred thirty-two".