82110940 has 24 divisors (see below), whose sum is σ = 177996672. Its totient is φ = 31784640.

The previous prime is 82110929. The next prime is 82110947. The reversal of 82110940 is 4901128.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82110947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65599 + ... + 66838.

It is an arithmetic number, because the mean of its divisors is an integer number (7416528).

Almost surely, 2^82110940 is an apocalyptic number.

It is an amenable number.

82110940 is an abundant number, since it is smaller than the sum of its proper divisors (95885732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82110940 is a wasteful number, since it uses less digits than its factorization.

82110940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132477 (or 132475 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 82110940 is about 9061.5087044046. The cubic root of 82110940 is about 434.6439858043.

The spelling of 82110940 in words is "eighty-two million, one hundred ten thousand, nine hundred forty".