82015386 has 16 divisors (see below), whose sum is σ = 164769024. Its totient is φ = 27215424.

The previous prime is 82015379. The next prime is 82015391. The reversal of 82015386 is 68351028.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29311 + ... + 31986.

It is an arithmetic number, because the mean of its divisors is an integer number (10298064).

Almost surely, 2^82015386 is an apocalyptic number.

82015386 is an abundant number, since it is smaller than the sum of its proper divisors (82753638).

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

82015386 is a wasteful number, since it uses less digits than its factorization.

82015386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61525.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 82015386 is about 9056.2346480201. The cubic root of 82015386 is about 434.4753193134.

The spelling of 82015386 in words is "eighty-two million, fifteen thousand, three hundred eighty-six".