3864223 has 4 divisors (see below), whose sum is σ = 4215528. Its totient is φ = 3512920.

The previous prime is 3864197. The next prime is 3864233. The reversal of 3864223 is 3224683.

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

It is a cyclic number.

It is not a de Polignac number, because 3864223 - 2⁵ = 3864191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3864191 and 3864200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3864233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175636 + ... + 175657.

It is an arithmetic number, because the mean of its divisors is an integer number (1053882).

Almost surely, 2^3864223 is an apocalyptic number.

3864223 is a deficient number, since it is larger than the sum of its proper divisors (351305).

3864223 is a wasteful number, since it uses less digits than its factorization.

3864223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351304.

The product of its digits is 6912, while the sum is 28.

The square root of 3864223 is about 1965.7627018539. The cubic root of 3864223 is about 156.9232859832.

It can be divided in two parts, 38 and 64223, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 3864223 in words is "three million, eight hundred sixty-four thousand, two hundred twenty-three".