223494 has 12 divisors (see below), whose sum is σ = 449316. Its totient is φ = 74112.

The previous prime is 223493. The next prime is 223507. The reversal of 223494 is 494322.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1062 + ... + 1254.

It is an arithmetic number, because the mean of its divisors is an integer number (37443).

2²²³⁴⁹⁴ is an apocalyptic number.

223494 is an abundant number, since it is smaller than the sum of its proper divisors (225822).

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

223494 is an equidigital number, since it uses as much as digits as its factorization.

223494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 198 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 223494 is about 472.7515203572. The cubic root of 223494 is about 60.6860153770.

Multiplying 223494 by its sum of digits (24), we get a square (5363856 = 2316²).

It can be divided in two parts, 223 and 494, that added together give a palindrome (717).

The spelling of 223494 in words is "two hundred twenty-three thousand, four hundred ninety-four".