84274343 has 2 divisors, whose sum is σ = 84274344. Its totient is φ = 84274342.

The previous prime is 84274327. The next prime is 84274381. The reversal of 84274343 is 34347248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84274343 - 2⁴ = 84274327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84274313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42137171 + 42137172.

It is an arithmetic number, because the mean of its divisors is an integer number (42137172).

Almost surely, 2^84274343 is an apocalyptic number.

84274343 is a deficient number, since it is larger than the sum of its proper divisors (1).

84274343 is an equidigital number, since it uses as much as digits as its factorization.

84274343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 35.

The square root of 84274343 is about 9180.1058272767. The cubic root of 84274343 is about 438.4281777863.

The spelling of 84274343 in words is "eighty-four million, two hundred seventy-four thousand, three hundred forty-three".