84347443 has 2 divisors, whose sum is σ = 84347444. Its totient is φ = 84347442.

The previous prime is 84347437. The next prime is 84347477. The reversal of 84347443 is 34474348.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84347443 - 2⁵ = 84347411 is a prime.

It is a super-2 number, since 2×84347443² = 14228982281276498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84327443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42173721 + 42173722.

It is an arithmetic number, because the mean of its divisors is an integer number (42173722).

Almost surely, 2^84347443 is an apocalyptic number.

84347443 is a deficient number, since it is larger than the sum of its proper divisors (1).

84347443 is an equidigital number, since it uses as much as digits as its factorization.

84347443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 37.

The square root of 84347443 is about 9184.0863998549. The cubic root of 84347443 is about 438.5549061064.

The spelling of 84347443 in words is "eighty-four million, three hundred forty-seven thousand, four hundred forty-three".