823994 has 8 divisors (see below), whose sum is σ = 1257120. Its totient is φ = 404956.

The previous prime is 823993. The next prime is 823997. The reversal of 823994 is 499328.

823994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×823994² = 1357932224072, which contains 22 as substring.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 823994.

It is not an unprimeable number, because it can be changed into a prime (823993) 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, 3374 + ... + 3609.

It is an arithmetic number, because the mean of its divisors is an integer number (157140).

2⁸²³⁹⁹⁴ is an apocalyptic number.

823994 is a deficient number, since it is larger than the sum of its proper divisors (433126).

823994 is a wasteful number, since it uses less digits than its factorization.

823994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044.

The product of its digits is 15552, while the sum is 35.

The square root of 823994 is about 907.7411525319. The cubic root of 823994 is about 93.7507354016.

The spelling of 823994 in words is "eight hundred twenty-three thousand, nine hundred ninety-four".