212898 has 32 divisors (see below), whose sum is σ = 503424. Its totient is φ = 58752.

The previous prime is 212897. The next prime is 212903. The reversal of 212898 is 898212.

It is not an unprimeable number, because it can be changed into a prime (212897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486 + ... + 1622.

It is an arithmetic number, because the mean of its divisors is an integer number (15732).

2²¹²⁸⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251712).

212898 is an abundant number, since it is smaller than the sum of its proper divisors (290526).

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

212898 is a wasteful number, since it uses less digits than its factorization.

212898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186.

The product of its digits is 2304, while the sum is 30.

The square root of 212898 is about 461.4087125315. The cubic root of 212898 is about 59.7113917584.

The spelling of 212898 in words is "two hundred twelve thousand, eight hundred ninety-eight".