82449188 has 12 divisors (see below), whose sum is σ = 144600960. Its totient is φ = 41134632.

The previous prime is 82449187. The next prime is 82449221. The reversal of 82449188 is 88194428.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82449187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20408 + ... + 24111.

It is an arithmetic number, because the mean of its divisors is an integer number (12050080).

Almost surely, 2^82449188 is an apocalyptic number.

It is an amenable number.

82449188 is a deficient number, since it is larger than the sum of its proper divisors (62151772).

82449188 is a wasteful number, since it uses less digits than its factorization.

82449188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44986 (or 44984 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 82449188 is about 9080.1535229312. The cubic root of 82449188 is about 435.2399926415.

The spelling of 82449188 in words is "eighty-two million, four hundred forty-nine thousand, one hundred eighty-eight".