82488642 has 16 divisors (see below), whose sum is σ = 165227040. Its totient is φ = 27454592.

The previous prime is 82488631. The next prime is 82488643. The reversal of 82488642 is 24688428.

It is a junction number, because it is equal to n+sod(n) for n = 82488594 and 82488603.

It is not an unprimeable number, because it can be changed into a prime (82488643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5967 + ... + 14162.

It is an arithmetic number, because the mean of its divisors is an integer number (10326690).

Almost surely, 2^82488642 is an apocalyptic number.

82488642 is an abundant number, since it is smaller than the sum of its proper divisors (82738398).

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

82488642 is a wasteful number, since it uses less digits than its factorization.

82488642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20817.

The product of its digits is 196608, while the sum is 42.

The square root of 82488642 is about 9082.3258034492. The cubic root of 82488642 is about 435.3094059806.

The spelling of 82488642 in words is "eighty-two million, four hundred eighty-eight thousand, six hundred forty-two".