83865486 has 8 divisors (see below), whose sum is σ = 167730984. Its totient is φ = 27955160.

The previous prime is 83865473. The next prime is 83865497. The reversal of 83865486 is 68456838.

It is a sphenic number, since it is the product of 3 distinct primes.

83865486 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6988785 + ... + 6988796.

It is an arithmetic number, because the mean of its divisors is an integer number (20966373).

Almost surely, 2^83865486 is an apocalyptic number.

83865486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83865486 is a wasteful number, since it uses less digits than its factorization.

83865486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13977586.

The product of its digits is 1105920, while the sum is 48.

The square root of 83865486 is about 9157.8101094093. The cubic root of 83865486 is about 437.7180166180.

The spelling of 83865486 in words is "eighty-three million, eight hundred sixty-five thousand, four hundred eighty-six".