393800 has 48 divisors (see below), whose sum is σ = 1004400. Its totient is φ = 142400.

The previous prime is 393797. The next prime is 393847. The reversal of 393800 is 8393.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 393800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2111 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (20925).

2³⁹³⁸⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 393800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502200).

393800 is an abundant number, since it is smaller than the sum of its proper divisors (610600).

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

393800 is a wasteful number, since it uses less digits than its factorization.

393800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 393800 is about 627.5348595895. The cubic root of 393800 is about 73.2979627406.

The spelling of 393800 in words is "three hundred ninety-three thousand, eight hundred".