83284815 has 8 divisors (see below), whose sum is σ = 133255728. Its totient is φ = 44418560.

The previous prime is 83284811. The next prime is 83284823. The reversal of 83284815 is 51848238.

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

It is not a de Polignac number, because 83284815 - 2² = 83284811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83284811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2776146 + ... + 2776175.

It is an arithmetic number, because the mean of its divisors is an integer number (16656966).

Almost surely, 2^83284815 is an apocalyptic number.

83284815 is a deficient number, since it is larger than the sum of its proper divisors (49970913).

83284815 is a wasteful number, since it uses less digits than its factorization.

83284815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552329.

The product of its digits is 61440, while the sum is 39.

The square root of 83284815 is about 9126.0514462718. The cubic root of 83284815 is about 436.7054465750.

It can be divided in two parts, 8 and 3284815, that added together give a palindrome (3284823).

The spelling of 83284815 in words is "eighty-three million, two hundred eighty-four thousand, eight hundred fifteen".