839394 has 12 divisors (see below), whose sum is σ = 1818726. Its totient is φ = 279792.

The previous prime is 839381. The next prime is 839413. The reversal of 839394 is 493938.

It can be written as a sum of positive squares in only one way, i.e., 783225 + 56169 = 885^2 + 237^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 839394.

It is an unprimeable number.

839394 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23299 + ... + 23334.

2⁸³⁹³⁹⁴ is an apocalyptic number.

839394 is an abundant number, since it is smaller than the sum of its proper divisors (979332).

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

839394 is a wasteful number, since it uses less digits than its factorization.

839394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46641 (or 46638 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 839394 is about 916.1844792399. The cubic root of 839394 is about 94.3311842862.

The spelling of 839394 in words is "eight hundred thirty-nine thousand, three hundred ninety-four".