84002293 has 2 divisors, whose sum is σ = 84002294. Its totient is φ = 84002292.

The previous prime is 84002251. The next prime is 84002311. The reversal of 84002293 is 39220048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66210769 + 17791524 = 8137^2 + 4218^2 .

It is a cyclic number.

It is not a de Polignac number, because 84002293 - 2¹³ = 83994101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84002203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42001146 + 42001147.

It is an arithmetic number, because the mean of its divisors is an integer number (42001147).

Almost surely, 2^84002293 is an apocalyptic number.

It is an amenable number.

84002293 is a deficient number, since it is larger than the sum of its proper divisors (1).

84002293 is an equidigital number, since it uses as much as digits as its factorization.

84002293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 84002293 is about 9165.2764824636. The cubic root of 84002293 is about 437.9558989674.

The spelling of 84002293 in words is "eighty-four million, two thousand, two hundred ninety-three".