3863443 has 2 divisors, whose sum is σ = 3863444. Its totient is φ = 3863442.

The previous prime is 3863423. The next prime is 3863473. The reversal of 3863443 is 3443683.

It is a weak prime.

It is an emirp because it is prime and its reverse (3443683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3863443 - 2⁵ = 3863411 is a prime.

3863443 is a lucky number.

It is equal to p₂₇₄₁₉₈ and since 3863443 and 274198 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3863423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1931721 + 1931722.

It is an arithmetic number, because the mean of its divisors is an integer number (1931722).

Almost surely, 2^3863443 is an apocalyptic number.

3863443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3863443 is an equidigital number, since it uses as much as digits as its factorization.

3863443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The square root of 3863443 is about 1965.5642955650. The cubic root of 3863443 is about 156.9127268617.

The spelling of 3863443 in words is "three million, eight hundred sixty-three thousand, four hundred forty-three".