3816443 has 4 divisors (see below), whose sum is σ = 3820440. Its totient is φ = 3812448.

The previous prime is 3816437. The next prime is 3816467. The reversal of 3816443 is 3446183.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3446183 = 13 ⋅265091.

It is a cyclic number.

It is not a de Polignac number, because 3816443 - 2⁴ = 3816427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3896443) 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, 371 + ... + 2787.

It is an arithmetic number, because the mean of its divisors is an integer number (955110).

Almost surely, 2^3816443 is an apocalyptic number.

3816443 is a deficient number, since it is larger than the sum of its proper divisors (3997).

3816443 is a wasteful number, since it uses less digits than its factorization.

3816443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996.

The product of its digits is 6912, while the sum is 29.

The square root of 3816443 is about 1953.5718568816. The cubic root of 3816443 is about 156.2738314583.

The spelling of 3816443 in words is "three million, eight hundred sixteen thousand, four hundred forty-three".