3689843 has 2 divisors, whose sum is σ = 3689844. Its totient is φ = 3689842.

The previous prime is 3689809. The next prime is 3689863. The reversal of 3689843 is 3489863.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3689843 - 2⁶ = 3689779 is a prime.

It is a super-2 number, since 2×3689843² = 27229882729298, 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 3689843.

It is not a weakly prime, because it can be changed into another prime (3689863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844921 + 1844922.

It is an arithmetic number, because the mean of its divisors is an integer number (1844922).

Almost surely, 2^3689843 is an apocalyptic number.

3689843 is a deficient number, since it is larger than the sum of its proper divisors (1).

3689843 is an equidigital number, since it uses as much as digits as its factorization.

3689843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 3689843 is about 1920.8964053275. The cubic root of 3689843 is about 154.5263794534.

The spelling of 3689843 in words is "three million, six hundred eighty-nine thousand, eight hundred forty-three".