82260405 has 24 divisors (see below), whose sum is σ = 150090720. Its totient is φ = 41562720.

The previous prime is 82260403. The next prime is 82260407. The reversal of 82260405 is 50406228.

It is an interprime number because it is at equal distance from previous prime (82260403) and next prime (82260407).

It is not a de Polignac number, because 82260405 - 2¹ = 82260403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82260403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47251 + ... + 48960.

It is an arithmetic number, because the mean of its divisors is an integer number (6253780).

Almost surely, 2^82260405 is an apocalyptic number.

It is an amenable number.

82260405 is a deficient number, since it is larger than the sum of its proper divisors (67830315).

82260405 is a wasteful number, since it uses less digits than its factorization.

82260405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96241 (or 96238 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 82260405 is about 9069.7522016867. The cubic root of 82260405 is about 434.9075507062.

The spelling of 82260405 in words is "eighty-two million, two hundred sixty thousand, four hundred five".