212934 has 16 divisors (see below), whose sum is σ = 444672. Its totient is φ = 67848.

The previous prime is 212923. The next prime is 212969. The reversal of 212934 is 439212.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212934.

It is a congruent number.

It is an unprimeable number.

212934 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, 634 + ... + 909.

It is an arithmetic number, because the mean of its divisors is an integer number (27792).

2²¹²⁹³⁴ is an apocalyptic number.

212934 is an abundant number, since it is smaller than the sum of its proper divisors (231738).

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

212934 is a wasteful number, since it uses less digits than its factorization.

212934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571.

The product of its digits is 432, while the sum is 21.

The square root of 212934 is about 461.4477218494. The cubic root of 212934 is about 59.7147572025.

The spelling of 212934 in words is "two hundred twelve thousand, nine hundred thirty-four".