2116286 has 4 divisors (see below), whose sum is σ = 3174432. Its totient is φ = 1058142.

The previous prime is 2116199. The next prime is 2116291. The reversal of 2116286 is 6826112.

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

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, 529070 + ... + 529073.

It is an arithmetic number, because the mean of its divisors is an integer number (793608).

2^2116286 is an apocalyptic number.

2116286 is a deficient number, since it is larger than the sum of its proper divisors (1058146).

2116286 is a wasteful number, since it uses less digits than its factorization.

2116286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058145.

The product of its digits is 1152, while the sum is 26.

The square root of 2116286 is about 1454.7460259440. The cubic root of 2116286 is about 128.3881042799.

The spelling of 2116286 in words is "two million, one hundred sixteen thousand, two hundred eighty-six".