8346991 has 2 divisors, whose sum is σ = 8346992. Its totient is φ = 8346990.

The previous prime is 8346979. The next prime is 8346997. The reversal of 8346991 is 1996438.

8346991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8346991 - 2⁵ = 8346959 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 (8346997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4173495 + 4173496.

It is an arithmetic number, because the mean of its divisors is an integer number (4173496).

Almost surely, 2^8346991 is an apocalyptic number.

8346991 is a deficient number, since it is larger than the sum of its proper divisors (1).

8346991 is an equidigital number, since it uses as much as digits as its factorization.

8346991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 8346991 is about 2889.1159547516. The cubic root of 8346991 is about 202.8507643161.

It can be divided in two parts, 83 and 46991, that added together give a palindrome (47074).

The spelling of 8346991 in words is "eight million, three hundred forty-six thousand, nine hundred ninety-one".