84214993 has 2 divisors, whose sum is σ = 84214994. Its totient is φ = 84214992.

The previous prime is 84214981. The next prime is 84215069. The reversal of 84214993 is 39941248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73410624 + 10804369 = 8568^2 + 3287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84214993 is a prime.

It is not a weakly prime, because it can be changed into another prime (84214903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42107496 + 42107497.

It is an arithmetic number, because the mean of its divisors is an integer number (42107497).

Almost surely, 2^84214993 is an apocalyptic number.

It is an amenable number.

84214993 is a deficient number, since it is larger than the sum of its proper divisors (1).

84214993 is an equidigital number, since it uses as much as digits as its factorization.

84214993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 84214993 is about 9176.8727244089. The cubic root of 84214993 is about 438.3252329589.

The spelling of 84214993 in words is "eighty-four million, two hundred fourteen thousand, nine hundred ninety-three".