384750 has 80 divisors (see below), whose sum is σ = 1132560. Its totient is φ = 97200.

The previous prime is 384737. The next prime is 384751. The reversal of 384750 is 57483.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384751) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20241 + ... + 20259.

It is an arithmetic number, because the mean of its divisors is an integer number (14157).

2³⁸⁴⁷⁵⁰ is an apocalyptic number.

384750 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 384750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566280).

384750 is an abundant number, since it is smaller than the sum of its proper divisors (747810).

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

384750 is a wasteful number, since it uses less digits than its factorization.

384750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 384750 is about 620.2821938441. The cubic root of 384750 is about 72.7321137876.

The spelling of 384750 in words is "three hundred eighty-four thousand, seven hundred fifty".