82438485 has 16 divisors (see below), whose sum is σ = 132025920. Its totient is φ = 43925760.

The previous prime is 82438483. The next prime is 82438501. The reversal of 82438485 is 58483428.

It is a happy number.

It is not a de Polignac number, because 82438485 - 2¹ = 82438483 is a prime.

It is a super-2 number, since 2×82438485² = 13592207618190450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82438481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20490 + ... + 24180.

It is an arithmetic number, because the mean of its divisors is an integer number (8251620).

Almost surely, 2^82438485 is an apocalyptic number.

It is an amenable number.

82438485 is a deficient number, since it is larger than the sum of its proper divisors (49587435).

82438485 is a wasteful number, since it uses less digits than its factorization.

82438485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188.

The product of its digits is 245760, while the sum is 42.

The square root of 82438485 is about 9079.5641415213. The cubic root of 82438485 is about 435.2211585154.

The spelling of 82438485 in words is "eighty-two million, four hundred thirty-eight thousand, four hundred eighty-five".