388843 has 8 divisors (see below), whose sum is σ = 478688. Its totient is φ = 307584.

The previous prime is 388837. The next prime is 388859. The reversal of 388843 is 348883.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 388843 - 2¹³ = 380651 is a prime.

It is a super-4 number, since 4×388843⁴ (a number of 23 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 388799 and 388808.

It is not an unprimeable number, because it can be changed into a prime (388813) 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, 2046 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (59836).

2³⁸⁸⁸⁴³ is an apocalyptic number.

388843 is a deficient number, since it is larger than the sum of its proper divisors (89845).

388843 is a wasteful number, since it uses less digits than its factorization.

388843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293.

The product of its digits is 18432, while the sum is 34.

The square root of 388843 is about 623.5727704126. The cubic root of 388843 is about 72.9891145338.

The spelling of 388843 in words is "three hundred eighty-eight thousand, eight hundred forty-three".