386844943 has 2 divisors, whose sum is σ = 386844944. Its totient is φ = 386844942.

The previous prime is 386844907. The next prime is 386844961. The reversal of 386844943 is 349448683.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386844943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386844043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193422471 + 193422472.

It is an arithmetic number, because the mean of its divisors is an integer number (193422472).

Almost surely, 2^386844943 is an apocalyptic number.

386844943 is a deficient number, since it is larger than the sum of its proper divisors (1).

386844943 is an equidigital number, since it uses as much as digits as its factorization.

386844943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 49.

The square root of 386844943 is about 19668.3741829364. The cubic root of 386844943 is about 728.6388239755.

The spelling of 386844943 in words is "three hundred eighty-six million, eight hundred forty-four thousand, nine hundred forty-three".