388943 has 8 divisors (see below), whose sum is σ = 417312. Its totient is φ = 361216.

The previous prime is 388937. The next prime is 388961. The reversal of 388943 is 349883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 388943 - 2⁶ = 388879 is a prime.

It is a d-powerful number, because it can be written as 3³ + 8⁵ + 9⁵ + 8⁵ + 4⁹ + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388943.

It is not an unprimeable number, because it can be changed into a prime (388903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2246 + ... + 2412.

It is an arithmetic number, because the mean of its divisors is an integer number (52164).

2³⁸⁸⁹⁴³ is an apocalyptic number.

388943 is a deficient number, since it is larger than the sum of its proper divisors (28369).

388943 is a wasteful number, since it uses less digits than its factorization.

388943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321.

The product of its digits is 20736, while the sum is 35.

The square root of 388943 is about 623.6529483615. The cubic root of 388943 is about 72.9953709456.

Subtracting from 388943 its reverse (349883), we obtain a triangular number (39060 = T₂₇₉).

It can be divided in two parts, 388 and 943, that added together give a palindrome (1331).

The spelling of 388943 in words is "three hundred eighty-eight thousand, nine hundred forty-three".