84289343 has 2 divisors, whose sum is σ = 84289344. Its totient is φ = 84289342.

The previous prime is 84289333. The next prime is 84289351. The reversal of 84289343 is 34398248.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84289343 - 2¹⁰ = 84288319 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84289343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84289313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42144671 + 42144672.

It is an arithmetic number, because the mean of its divisors is an integer number (42144672).

Almost surely, 2^84289343 is an apocalyptic number.

84289343 is a deficient number, since it is larger than the sum of its proper divisors (1).

84289343 is an equidigital number, since it uses as much as digits as its factorization.

84289343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 84289343 is about 9180.9227749720. The cubic root of 84289343 is about 438.4541882038.

It can be divided in two parts, 8428 and 9343, that added together give a palindrome (17771).

The spelling of 84289343 in words is "eighty-four million, two hundred eighty-nine thousand, three hundred forty-three".