312834 has 16 divisors (see below), whose sum is σ = 662688. Its totient is φ = 98112.

The previous prime is 312799. The next prime is 312839. The reversal of 312834 is 438213.

It is a happy number.

It is a super-2 number, since 2×312834² = 195730223112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312834.

It is not an unprimeable number, because it can be changed into a prime (312839) by changing a digit.

312834 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 in 7 ways as a sum of consecutive naturals, for example, 1432 + ... + 1635.

It is an arithmetic number, because the mean of its divisors is an integer number (41418).

2³¹²⁸³⁴ is an apocalyptic number.

312834 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

312834 is an abundant number, since it is smaller than the sum of its proper divisors (349854).

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

312834 is a wasteful number, since it uses less digits than its factorization.

312834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089.

The product of its digits is 576, while the sum is 21.

The square root of 312834 is about 559.3156532764. The cubic root of 312834 is about 67.8846082196.

The spelling of 312834 in words is "three hundred twelve thousand, eight hundred thirty-four".