82389673 has 4 divisors (see below), whose sum is σ = 82607440. Its totient is φ = 82171908.

The previous prime is 82389631. The next prime is 82389689. The reversal of 82389673 is 37698328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82389673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82389173) 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 in 3 ways as a sum of consecutive naturals, for example, 108315 + ... + 109072.

It is an arithmetic number, because the mean of its divisors is an integer number (20651860).

Almost surely, 2^82389673 is an apocalyptic number.

It is an amenable number.

82389673 is a deficient number, since it is larger than the sum of its proper divisors (217767).

82389673 is a wasteful number, since it uses less digits than its factorization.

82389673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217766.

The product of its digits is 435456, while the sum is 46.

The square root of 82389673 is about 9076.8757290160. The cubic root of 82389673 is about 435.1352431024.

The spelling of 82389673 in words is "eighty-two million, three hundred eighty-nine thousand, six hundred seventy-three".