2115286 has 4 divisors (see below), whose sum is σ = 3172932. Its totient is φ = 1057642.

The previous prime is 2115277. The next prime is 2115301. The reversal of 2115286 is 6825112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2115286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528820 + ... + 528823.

It is an arithmetic number, because the mean of its divisors is an integer number (793233).

2^2115286 is an apocalyptic number.

2115286 is a deficient number, since it is larger than the sum of its proper divisors (1057646).

2115286 is a wasteful number, since it uses less digits than its factorization.

2115286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057645.

The product of its digits is 960, while the sum is 25.

The square root of 2115286 is about 1454.4022827265. The cubic root of 2115286 is about 128.3678788580.

It can be divided in two parts, 2115 and 286, that added together give a 4-th power (2401 = 7⁴).

The spelling of 2115286 in words is "two million, one hundred fifteen thousand, two hundred eighty-six".