83286215 has 16 divisors (see below), whose sum is σ = 105494400. Its totient is φ = 62947872.

The previous prime is 83286193. The next prime is 83286271. The reversal of 83286215 is 51268238.

It is a cyclic number.

It is not a de Polignac number, because 83286215 - 2⁸ = 83285959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41096 + ... + 43074.

It is an arithmetic number, because the mean of its divisors is an integer number (6593400).

Almost surely, 2^83286215 is an apocalyptic number.

83286215 is a deficient number, since it is larger than the sum of its proper divisors (22208185).

83286215 is a wasteful number, since it uses less digits than its factorization.

83286215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446.

The product of its digits is 23040, while the sum is 35.

The square root of 83286215 is about 9126.1281494399. The cubic root of 83286215 is about 436.7078935365.

The spelling of 83286215 in words is "eighty-three million, two hundred eighty-six thousand, two hundred fifteen".