383984 has 20 divisors (see below), whose sum is σ = 754416. Its totient is φ = 189312.

The previous prime is 383983. The next prime is 383987. The reversal of 383984 is 489383.

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 383984.

It is not an unprimeable number, because it can be changed into a prime (383983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532 + ... + 1764.

2³⁸³⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

383984 is a deficient number, since it is larger than the sum of its proper divisors (370432).

383984 is a wasteful number, since it uses less digits than its factorization.

383984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 338 counting only the distinct ones).

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

The square root of 383984 is about 619.6644253142. The cubic root of 383984 is about 72.6838141878.

The spelling of 383984 in words is "three hundred eighty-three thousand, nine hundred eighty-four".