384156 has 24 divisors (see below), whose sum is σ = 996240. Its totient is φ = 128016.

The previous prime is 384151. The next prime is 384157. The reversal of 384156 is 651483.

384156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671 + ... + 1886.

It is an arithmetic number, because the mean of its divisors is an integer number (41510).

2³⁸⁴¹⁵⁶ is an apocalyptic number.

384156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

384156 is an abundant number, since it is smaller than the sum of its proper divisors (612084).

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

384156 is a wasteful number, since it uses less digits than its factorization.

384156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570 (or 3562 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 384156 is about 619.8031945707. The cubic root of 384156 is about 72.6946651173.

The spelling of 384156 in words is "three hundred eighty-four thousand, one hundred fifty-six".