82046889 has 12 divisors (see below), whose sum is σ = 118683396. Its totient is φ = 54618912.

The previous prime is 82046873. The next prime is 82046897. The reversal of 82046889 is 98864028.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42771600 + 39275289 = 6540^2 + 6267^2 .

It is not a de Polignac number, because 82046889 - 2⁴ = 82046873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82046849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379 + ... + 12815.

It is an arithmetic number, because the mean of its divisors is an integer number (9890283).

Almost surely, 2^82046889 is an apocalyptic number.

It is an amenable number.

82046889 is a deficient number, since it is larger than the sum of its proper divisors (36636507).

82046889 is a wasteful number, since it uses less digits than its factorization.

82046889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13176 (or 13173 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 82046889 is about 9057.9737800460. The cubic root of 82046889 is about 434.5309410877.

The spelling of 82046889 in words is "eighty-two million, forty-six thousand, eight hundred eighty-nine".