3654223 has 4 divisors (see below), whose sum is σ = 3658048. Its totient is φ = 3650400.

The previous prime is 3654199. The next prime is 3654227. The reversal of 3654223 is 3224563.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3654223 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 6² + 5⁹ + 4⁸ + 2¹³ + 2¹⁵ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898 + ... + 2848.

It is an arithmetic number, because the mean of its divisors is an integer number (914512).

Almost surely, 2^3654223 is an apocalyptic number.

3654223 is a deficient number, since it is larger than the sum of its proper divisors (3825).

3654223 is a wasteful number, since it uses less digits than its factorization.

3654223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824.

The product of its digits is 4320, while the sum is 25.

The square root of 3654223 is about 1911.6022075735. The cubic root of 3654223 is about 154.0275292327.

Adding to 3654223 its reverse (3224563), we get a palindrome (6878786).

The spelling of 3654223 in words is "three million, six hundred fifty-four thousand, two hundred twenty-three".