839422 has 4 divisors (see below), whose sum is σ = 1259136. Its totient is φ = 419710.

The previous prime is 839413. The next prime is 839429. The reversal of 839422 is 224938.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (839429) by changing a digit.

839422 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 as a sum of consecutive naturals, namely, 209854 + ... + 209857.

It is an arithmetic number, because the mean of its divisors is an integer number (314784).

2⁸³⁹⁴²² is an apocalyptic number.

839422 is a deficient number, since it is larger than the sum of its proper divisors (419714).

839422 is a wasteful number, since it uses less digits than its factorization.

839422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419713.

The product of its digits is 3456, while the sum is 28.

The square root of 839422 is about 916.1997598777. The cubic root of 839422 is about 94.3322331555.

The spelling of 839422 in words is "eight hundred thirty-nine thousand, four hundred twenty-two".