82586386 has 4 divisors (see below), whose sum is σ = 123879582. Its totient is φ = 41293192.

The previous prime is 82586381. The next prime is 82586401. The reversal of 82586386 is 68368528.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 58232161 + 24354225 = 7631^2 + 4935^2 .

It is a super-2 number, since 2×82586386² = 13641022305081992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82586381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20646595 + ... + 20646598.

Almost surely, 2^82586386 is an apocalyptic number.

82586386 is a deficient number, since it is larger than the sum of its proper divisors (41293196).

82586386 is a wasteful number, since it uses less digits than its factorization.

82586386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41293195.

The product of its digits is 552960, while the sum is 46.

The square root of 82586386 is about 9087.7052108880. The cubic root of 82586386 is about 435.4812764614.

The spelling of 82586386 in words is "eighty-two million, five hundred eighty-six thousand, three hundred eighty-six".