844906943 has 2 divisors, whose sum is σ = 844906944. Its totient is φ = 844906942.

The previous prime is 844906903. The next prime is 844906949. The reversal of 844906943 is 349609448.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 844906943 - 2¹² = 844902847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (844906949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422453471 + 422453472.

It is an arithmetic number, because the mean of its divisors is an integer number (422453472).

Almost surely, 2^844906943 is an apocalyptic number.

844906943 is a deficient number, since it is larger than the sum of its proper divisors (1).

844906943 is an equidigital number, since it uses as much as digits as its factorization.

844906943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 844906943 is about 29067.2830343670. The cubic root of 844906943 is about 945.3724884890.

The spelling of 844906943 in words is "eight hundred forty-four million, nine hundred six thousand, nine hundred forty-three".