1634223 has 8 divisors (see below), whose sum is σ = 2195200. Its totient is φ = 1081368.

The previous prime is 1634203. The next prime is 1634231. The reversal of 1634223 is 3224361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1634223 - 2⁸ = 1633967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1634223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543 + ... + 2376.

It is an arithmetic number, because the mean of its divisors is an integer number (274400).

2^1634223 is an apocalyptic number.

1634223 is a deficient number, since it is larger than the sum of its proper divisors (560977).

1634223 is a wasteful number, since it uses less digits than its factorization.

1634223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061.

The product of its digits is 864, while the sum is 21.

The square root of 1634223 is about 1278.3673181054. The cubic root of 1634223 is about 117.7887391075.

Adding to 1634223 its reverse (3224361), we get a palindrome (4858584).

The spelling of 1634223 in words is "one million, six hundred thirty-four thousand, two hundred twenty-three".