394244111 has 2 divisors, whose sum is σ = 394244112. Its totient is φ = 394244110.

The previous prime is 394244041. The next prime is 394244117. The reversal of 394244111 is 111442493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 394244111 - 2²⁶ = 327135247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394244117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197122055 + 197122056.

It is an arithmetic number, because the mean of its divisors is an integer number (197122056).

Almost surely, 2^394244111 is an apocalyptic number.

394244111 is a deficient number, since it is larger than the sum of its proper divisors (1).

394244111 is an equidigital number, since it uses as much as digits as its factorization.

394244111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 394244111 is about 19855.5813563844. The cubic root of 394244111 is about 733.2550650398.

The spelling of 394244111 in words is "three hundred ninety-four million, two hundred forty-four thousand, one hundred eleven".