4026643 has 2 divisors, whose sum is σ = 4026644. Its totient is φ = 4026642.

The previous prime is 4026619. The next prime is 4026647. The reversal of 4026643 is 3466204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4026643 - 2⁵ = 4026611 is a prime.

It is not a weakly prime, because it can be changed into another prime (4026647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2013321 + 2013322.

It is an arithmetic number, because the mean of its divisors is an integer number (2013322).

Almost surely, 2^4026643 is an apocalyptic number.

4026643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4026643 is an equidigital number, since it uses as much as digits as its factorization.

4026643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 4026643 is about 2006.6496953878. The cubic root of 4026643 is about 159.0917682873.

The spelling of 4026643 in words is "four million, twenty-six thousand, six hundred forty-three".