84673943 has 2 divisors, whose sum is σ = 84673944. Its totient is φ = 84673942.

The previous prime is 84673891. The next prime is 84673973. The reversal of 84673943 is 34937648.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84673943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84673894 and 84673903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84673973) 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, 42336971 + 42336972.

It is an arithmetic number, because the mean of its divisors is an integer number (42336972).

Almost surely, 2^84673943 is an apocalyptic number.

84673943 is a deficient number, since it is larger than the sum of its proper divisors (1).

84673943 is an equidigital number, since it uses as much as digits as its factorization.

84673943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 44.

The square root of 84673943 is about 9201.8445433511. The cubic root of 84673943 is about 439.1200440352.

The spelling of 84673943 in words is "eighty-four million, six hundred seventy-three thousand, nine hundred forty-three".