383998 has 4 divisors (see below), whose sum is σ = 576000. Its totient is φ = 191998.

The previous prime is 383987. The next prime is 384001. The reversal of 383998 is 899383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 899383 = 701 ⋅1283.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 383998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95998 + ... + 96001.

It is an arithmetic number, because the mean of its divisors is an integer number (144000).

2³⁸³⁹⁹⁸ is an apocalyptic number.

383998 is a deficient number, since it is larger than the sum of its proper divisors (192002).

383998 is a wasteful number, since it uses less digits than its factorization.

383998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192001.

The product of its digits is 46656, while the sum is 40.

The square root of 383998 is about 619.6757216480. The cubic root of 383998 is about 72.6846975241.

The spelling of 383998 in words is "three hundred eighty-three thousand, nine hundred ninety-eight".