84346891 has 2 divisors, whose sum is σ = 84346892. Its totient is φ = 84346890.

The previous prime is 84346861. The next prime is 84346921. The reversal of 84346891 is 19864348.

It is a balanced prime because it is at equal distance from previous prime (84346861) and next prime (84346921).

It is a cyclic number.

It is not a de Polignac number, because 84346891 - 2⁵ = 84346859 is a prime.

It is a super-2 number, since 2×84346891² = 14228796042731762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84346831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42173445 + 42173446.

It is an arithmetic number, because the mean of its divisors is an integer number (42173446).

Almost surely, 2^84346891 is an apocalyptic number.

84346891 is a deficient number, since it is larger than the sum of its proper divisors (1).

84346891 is an equidigital number, since it uses as much as digits as its factorization.

84346891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 43.

The square root of 84346891 is about 9184.0563478237. The cubic root of 84346891 is about 438.5539494173.

The spelling of 84346891 in words is "eighty-four million, three hundred forty-six thousand, eight hundred ninety-one".