3890111 has 2 divisors, whose sum is σ = 3890112. Its totient is φ = 3890110.

The previous prime is 3890083. The next prime is 3890113. The reversal of 3890111 is 1110983.

It is a strong prime.

It is an emirp because it is prime and its reverse (1110983) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3890111 is a prime.

Together with 3890113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3890113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1945055 + 1945056.

It is an arithmetic number, because the mean of its divisors is an integer number (1945056).

Almost surely, 2^3890111 is an apocalyptic number.

3890111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3890111 is an equidigital number, since it uses as much as digits as its factorization.

3890111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 3890111 is about 1972.3364317479. The cubic root of 3890111 is about 157.2729372745.

The spelling of 3890111 in words is "three million, eight hundred ninety thousand, one hundred eleven".