82338128 has 20 divisors (see below), whose sum is σ = 160945428. Its totient is φ = 40803840.

The previous prime is 82338119. The next prime is 82338143. The reversal of 82338128 is 82183328.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3341584 + 78996544 = 1828^2 + 8888^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20963 + ... + 24578.

Almost surely, 2^82338128 is an apocalyptic number.

It is an amenable number.

82338128 is a deficient number, since it is larger than the sum of its proper divisors (78607300).

82338128 is a wasteful number, since it uses less digits than its factorization.

82338128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45662 (or 45656 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 82338128 is about 9074.0359267528. The cubic root of 82338128 is about 435.0444804121.

It can be divided in two parts, 8233 and 8128, that added together give a palindrome (16361).

The spelling of 82338128 in words is "eighty-two million, three hundred thirty-eight thousand, one hundred twenty-eight".