3845663 has 2 divisors, whose sum is σ = 3845664. Its totient is φ = 3845662.

The previous prime is 3845651. The next prime is 3845693. The reversal of 3845663 is 3665483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3845663 - 2⁸ = 3845407 is a prime.

It is a d-powerful number, because it can be written as 3² + 8⁷ + 4⁸ + 5⁵ + 6³ + 6⁸ + 3² .

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3845693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922831 + 1922832.

It is an arithmetic number, because the mean of its divisors is an integer number (1922832).

Almost surely, 2^3845663 is an apocalyptic number.

3845663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3845663 is an equidigital number, since it uses as much as digits as its factorization.

3845663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 3845663 is about 1961.0362056831. The cubic root of 3845663 is about 156.6716466402.

The spelling of 3845663 in words is "three million, eight hundred forty-five thousand, six hundred sixty-three".