82489270 has 64 divisors (see below), whose sum is σ = 166872960. Its totient is φ = 29297664.

The previous prime is 82489229. The next prime is 82489289. The reversal of 82489270 is 7298428.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1129954 + ... + 1130026.

It is an arithmetic number, because the mean of its divisors is an integer number (2607390).

Almost surely, 2^82489270 is an apocalyptic number.

82489270 is an abundant number, since it is smaller than the sum of its proper divisors (84383690).

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

82489270 is a wasteful number, since it uses less digits than its factorization.

82489270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 82489270 is about 9082.3603760256. The cubic root of 82489270 is about 435.3105106725.

The spelling of 82489270 in words is "eighty-two million, four hundred eighty-nine thousand, two hundred seventy".