8144693 has 2 divisors, whose sum is σ = 8144694. Its totient is φ = 8144692.

The previous prime is 8144687. The next prime is 8144743. The reversal of 8144693 is 3964418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7711729 + 432964 = 2777^2 + 658^2 .

It is a cyclic number.

It is not a de Polignac number, because 8144693 - 2²² = 3950389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8144393) 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, 4072346 + 4072347.

It is an arithmetic number, because the mean of its divisors is an integer number (4072347).

Almost surely, 2^8144693 is an apocalyptic number.

It is an amenable number.

8144693 is a deficient number, since it is larger than the sum of its proper divisors (1).

8144693 is an equidigital number, since it uses as much as digits as its factorization.

8144693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 8144693 is about 2853.8908528533. The cubic root of 8144693 is about 201.1985777085.

The spelling of 8144693 in words is "eight million, one hundred forty-four thousand, six hundred ninety-three".