383955 has 32 divisors (see below), whose sum is σ = 725760. Its totient is φ = 170880.

The previous prime is 383951. The next prime is 383963. The reversal of 383955 is 559383.

It is not a de Polignac number, because 383955 - 2² = 383951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (383951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2056 + ... + 2234.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2³⁸³⁹⁵⁵ is an apocalyptic number.

383955 is a deficient number, since it is larger than the sum of its proper divisors (341805).

383955 is a wasteful number, since it uses less digits than its factorization.

383955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its digits is 16200, while the sum is 33.

The square root of 383955 is about 619.6410251105. The cubic root of 383955 is about 72.6819843514.

It can be divided in two parts, 38 and 3955, that added together give a palindrome (3993).

The spelling of 383955 in words is "three hundred eighty-three thousand, nine hundred fifty-five".