823938 has 16 divisors (see below), whose sum is σ = 1679616. Its totient is φ = 269360.

The previous prime is 823913. The next prime is 823961. The reversal of 823938 is 839328.

It is a junction number, because it is equal to n+sod(n) for n = 823899 and 823908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (104976).

2⁸²³⁹³⁸ is an apocalyptic number.

823938 is an abundant number, since it is smaller than the sum of its proper divisors (855678).

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

823938 is a wasteful number, since it uses less digits than its factorization.

823938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649.

The product of its digits is 10368, while the sum is 33.

The square root of 823938 is about 907.7103062101. The cubic root of 823938 is about 93.7486115350.

The spelling of 823938 in words is "eight hundred twenty-three thousand, nine hundred thirty-eight".