83290693 has 2 divisors, whose sum is σ = 83290694. Its totient is φ = 83290692.

The previous prime is 83290687. The next prime is 83290709. The reversal of 83290693 is 39609238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47983329 + 35307364 = 6927^2 + 5942^2 .

It is a cyclic number.

It is not a de Polignac number, because 83290693 - 2¹³ = 83282501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83290643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41645346 + 41645347.

It is an arithmetic number, because the mean of its divisors is an integer number (41645347).

Almost surely, 2^83290693 is an apocalyptic number.

It is an amenable number.

83290693 is a deficient number, since it is larger than the sum of its proper divisors (1).

83290693 is an equidigital number, since it uses as much as digits as its factorization.

83290693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 83290693 is about 9126.3734856733. The cubic root of 83290693 is about 436.7157201334.

The spelling of 83290693 in words is "eighty-three million, two hundred ninety thousand, six hundred ninety-three".