82393688 has 16 divisors (see below), whose sum is σ = 166372080. Its totient is φ = 38027808.

The previous prime is 82393687. The next prime is 82393697. The reversal of 82393688 is 88639328.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82393681) 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, 396020 + ... + 396227.

It is an arithmetic number, because the mean of its divisors is an integer number (10398255).

Almost surely, 2^82393688 is an apocalyptic number.

It is an amenable number.

82393688 is an abundant number, since it is smaller than the sum of its proper divisors (83978392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82393688 is a wasteful number, since it uses less digits than its factorization.

82393688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792266 (or 792262 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 82393688 is about 9077.0968927295. The cubic root of 82393688 is about 435.1423113007.

The spelling of 82393688 in words is "eighty-two million, three hundred ninety-three thousand, six hundred eighty-eight".