384042750 has 256 divisors, whose sum is σ = 1252952064. Its totient is φ = 76032000.

The previous prime is 384042713. The next prime is 384042751. The reversal of 384042750 is 57240483.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384042751) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1160085 + ... + 1160415.

It is an arithmetic number, because the mean of its divisors is an integer number (4894344).

Almost surely, 2^384042750 is an apocalyptic number.

384042750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 384042750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626476032).

384042750 is an abundant number, since it is smaller than the sum of its proper divisors (868909314).

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

384042750 is a wasteful number, since it uses less digits than its factorization.

384042750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 384042750 is about 19597.0087003093. The cubic root of 384042750 is about 726.8752090158.

The spelling of 384042750 in words is "three hundred eighty-four million, forty-two thousand, seven hundred fifty".