993828 has 24 divisors (see below), whose sum is σ = 2530080. Its totient is φ = 301120.

The previous prime is 993827. The next prime is 993841. The reversal of 993828 is 828399.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 993828.

It is not an unprimeable number, because it can be changed into a prime (993821) 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, 3633 + ... + 3896.

It is an arithmetic number, because the mean of its divisors is an integer number (105420).

2⁹⁹³⁸²⁸ is an apocalyptic number.

It is an amenable number.

993828 is an abundant number, since it is smaller than the sum of its proper divisors (1536252).

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

993828 is a wasteful number, since it uses less digits than its factorization.

993828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7547 (or 7545 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 993828 is about 996.9092235505. The cubic root of 993828 is about 99.7938419473.

The spelling of 993828 in words is "nine hundred ninety-three thousand, eight hundred twenty-eight".