4263689 has 2 divisors, whose sum is σ = 4263690. Its totient is φ = 4263688.

The previous prime is 4263683. The next prime is 4263697. The reversal of 4263689 is 9863624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2534464 + 1729225 = 1592^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 4263689 - 2⁸ = 4263433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4263683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2131844 + 2131845.

It is an arithmetic number, because the mean of its divisors is an integer number (2131845).

Almost surely, 2^4263689 is an apocalyptic number.

It is an amenable number.

4263689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4263689 is an equidigital number, since it uses as much as digits as its factorization.

4263689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 4263689 is about 2064.8702138391. The cubic root of 4263689 is about 162.1543136634.

The spelling of 4263689 in words is "four million, two hundred sixty-three thousand, six hundred eighty-nine".