212874 has 16 divisors (see below), whose sum is σ = 451008. Its totient is φ = 66752.

The previous prime is 212873. The next prime is 212881. The reversal of 212874 is 478212.

It is not an unprimeable number, because it can be changed into a prime (212873) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 942 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (28188).

2²¹²⁸⁷⁴ is an apocalyptic number.

212874 is an abundant number, since it is smaller than the sum of its proper divisors (238134).

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

212874 is a wasteful number, since it uses less digits than its factorization.

212874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109.

The product of its digits is 896, while the sum is 24.

The square root of 212874 is about 461.3827044873. The cubic root of 212874 is about 59.7091479182.

The spelling of 212874 in words is "two hundred twelve thousand, eight hundred seventy-four".