993924 has 24 divisors (see below), whose sum is σ = 2577120. Its totient is φ = 331272.

The previous prime is 993919. The next prime is 993943. The reversal of 993924 is 429399.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

993924 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4494 + ... + 4709.

It is an arithmetic number, because the mean of its divisors is an integer number (107380).

2⁹⁹³⁹²⁴ is an apocalyptic number.

It is an amenable number.

993924 is an abundant number, since it is smaller than the sum of its proper divisors (1583196).

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

993924 is a wasteful number, since it uses less digits than its factorization.

993924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216 (or 9208 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 993924 is about 996.9573712050. The cubic root of 993924 is about 99.7970550789.

The spelling of 993924 in words is "nine hundred ninety-three thousand, nine hundred twenty-four".