82269493 has 4 divisors (see below), whose sum is σ = 84276108. Its totient is φ = 80262880.

The previous prime is 82269479. The next prime is 82269497. The reversal of 82269493 is 39496228.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26811684 + 55457809 = 5178^2 + 7447^2 .

It is a cyclic number.

It is not a de Polignac number, because 82269493 - 2⁹ = 82268981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82269497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003246 + ... + 1003327.

It is an arithmetic number, because the mean of its divisors is an integer number (21069027).

Almost surely, 2^82269493 is an apocalyptic number.

It is an amenable number.

82269493 is a deficient number, since it is larger than the sum of its proper divisors (2006615).

82269493 is a wasteful number, since it uses less digits than its factorization.

82269493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006614.

The product of its digits is 186624, while the sum is 43.

The square root of 82269493 is about 9070.2531938199. The cubic root of 82269493 is about 434.9235660835.

The spelling of 82269493 in words is "eighty-two million, two hundred sixty-nine thousand, four hundred ninety-three".