842312 has 16 divisors (see below), whose sum is σ = 1590000. Its totient is φ = 418320.

The previous prime is 842311. The next prime is 842321. The reversal of 842312 is 213248.

It is not an unprimeable number, because it can be changed into a prime (842311) 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, 1439 + ... + 1937.

It is an arithmetic number, because the mean of its divisors is an integer number (99375).

2⁸⁴²³¹² is an apocalyptic number.

It is an amenable number.

842312 is a deficient number, since it is larger than the sum of its proper divisors (747688).

842312 is a wasteful number, since it uses less digits than its factorization.

842312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 712 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 842312 is about 917.7755716950. The cubic root of 842312 is about 94.4403662471.

The spelling of 842312 in words is "eight hundred forty-two thousand, three hundred twelve".