82268389 has 32 divisors (see below), whose sum is σ = 106444800. Its totient is φ = 61931520.

The previous prime is 82268371. The next prime is 82268399. The reversal of 82268389 is 98386228.

It is a happy number.

It is not a de Polignac number, because 82268389 - 2⁵ = 82268357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82268359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106597 + ... + 107365.

It is an arithmetic number, because the mean of its divisors is an integer number (3326400).

Almost surely, 2^82268389 is an apocalyptic number.

It is an amenable number.

82268389 is a deficient number, since it is larger than the sum of its proper divisors (24176411).

82268389 is a wasteful number, since it uses less digits than its factorization.

82268389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853.

The product of its digits is 331776, while the sum is 46.

The square root of 82268389 is about 9070.1923353367. The cubic root of 82268389 is about 434.9216206164.

The spelling of 82268389 in words is "eighty-two million, two hundred sixty-eight thousand, three hundred eighty-nine".