80239638 has 8 divisors (see below), whose sum is σ = 160479288. Its totient is φ = 26746544.

The previous prime is 80239631. The next prime is 80239651. The reversal of 80239638 is 83693208.

It is a sphenic number, since it is the product of 3 distinct primes.

80239638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 80239596 and 80239605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80239631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6686631 + ... + 6686642.

It is an arithmetic number, because the mean of its divisors is an integer number (20059911).

Almost surely, 2^80239638 is an apocalyptic number.

80239638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80239638 is a wasteful number, since it uses less digits than its factorization.

80239638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13373278.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 80239638 is about 8957.6580644720. The cubic root of 80239638 is about 431.3167461487.

The spelling of 80239638 in words is "eighty million, two hundred thirty-nine thousand, six hundred thirty-eight".