213850 has 48 divisors (see below), whose sum is σ = 499968. Its totient is φ = 66240.

The previous prime is 213847. The next prime is 213859. The reversal of 213850 is 58312.

It is a happy number.

213850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4527 + ... + 4573.

It is an arithmetic number, because the mean of its divisors is an integer number (10416).

2²¹³⁸⁵⁰ is an apocalyptic number.

213850 is an abundant number, since it is smaller than the sum of its proper divisors (286118).

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

213850 is a wasteful number, since it uses less digits than its factorization.

213850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 213850 is about 462.4391851909. The cubic root of 213850 is about 59.8002617409.

The spelling of 213850 in words is "two hundred thirteen thousand, eight hundred fifty".