82146844 has 36 divisors (see below), whose sum is σ = 156978864. Its totient is φ = 37594752.

The previous prime is 82146811. The next prime is 82146847. The reversal of 82146844 is 44864128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82146847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92169 + ... + 93055.

It is an arithmetic number, because the mean of its divisors is an integer number (4360524).

Almost surely, 2^82146844 is an apocalyptic number.

It is an amenable number.

82146844 is a deficient number, since it is larger than the sum of its proper divisors (74832020).

82146844 is a wasteful number, since it uses less digits than its factorization.

82146844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1039 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 82146844 is about 9063.4896149331. The cubic root of 82146844 is about 434.7073276832.

The spelling of 82146844 in words is "eighty-two million, one hundred forty-six thousand, eight hundred forty-four".