84299893 has 2 divisors, whose sum is σ = 84299894. Its totient is φ = 84299892.

The previous prime is 84299797. The next prime is 84299981. The reversal of 84299893 is 39899248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57653649 + 26646244 = 7593^2 + 5162^2 .

It is a cyclic number.

It is not a de Polignac number, because 84299893 - 2⁹ = 84299381 is a prime.

It is a super-2 number, since 2×84299893² = 14212943919622898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84299893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84299093) 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, 42149946 + 42149947.

It is an arithmetic number, because the mean of its divisors is an integer number (42149947).

Almost surely, 2^84299893 is an apocalyptic number.

It is an amenable number.

84299893 is a deficient number, since it is larger than the sum of its proper divisors (1).

84299893 is an equidigital number, since it uses as much as digits as its factorization.

84299893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 52.

The square root of 84299893 is about 9181.4973179760. The cubic root of 84299893 is about 438.4724803490.

The spelling of 84299893 in words is "eighty-four million, two hundred ninety-nine thousand, eight hundred ninety-three".