213494 has 4 divisors (see below), whose sum is σ = 320244. Its totient is φ = 106746.

The previous prime is 213491. The next prime is 213523. The reversal of 213494 is 494312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 213494.

It is not an unprimeable number, because it can be changed into a prime (213491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53372 + ... + 53375.

It is an arithmetic number, because the mean of its divisors is an integer number (80061).

2²¹³⁴⁹⁴ is an apocalyptic number.

213494 is a deficient number, since it is larger than the sum of its proper divisors (106750).

213494 is a wasteful number, since it uses less digits than its factorization.

213494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106749.

The product of its digits is 864, while the sum is 23.

The square root of 213494 is about 462.0541093855. The cubic root of 213494 is about 59.7670597809.

It can be divided in two parts, 213 and 494, that added together give a palindrome (707).

The spelling of 213494 in words is "two hundred thirteen thousand, four hundred ninety-four".