3818231 has 2 divisors, whose sum is σ = 3818232. Its totient is φ = 3818230.

The previous prime is 3818219. The next prime is 3818237. The reversal of 3818231 is 1328183.

It is a strong prime.

It is an emirp because it is prime and its reverse (1328183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3818231 - 2¹⁸ = 3556087 is a prime.

It is a super-2 number, since 2×3818231² = 29157775938722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3818231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3818237) 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 as a sum of consecutive naturals, namely, 1909115 + 1909116.

It is an arithmetic number, because the mean of its divisors is an integer number (1909116).

Almost surely, 2^3818231 is an apocalyptic number.

3818231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3818231 is an equidigital number, since it uses as much as digits as its factorization.

3818231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 3818231 is about 1954.0294265952. The cubic root of 3818231 is about 156.2982323631.

The spelling of 3818231 in words is "three million, eight hundred eighteen thousand, two hundred thirty-one".