213934 has 24 divisors (see below), whose sum is σ = 389880. Its totient is φ = 87696.

The previous prime is 213929. The next prime is 213943. The reversal of 213934 is 439312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3597 + ... + 3655.

It is an arithmetic number, because the mean of its divisors is an integer number (16245).

2²¹³⁹³⁴ is an apocalyptic number.

213934 is a deficient number, since it is larger than the sum of its proper divisors (175946).

213934 is a wasteful number, since it uses less digits than its factorization.

213934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 105 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 213934 is about 462.5299990271. The cubic root of 213934 is about 59.8080905374.

The spelling of 213934 in words is "two hundred thirteen thousand, nine hundred thirty-four".