2186046 has 12 divisors (see below), whose sum is σ = 4736472. Its totient is φ = 728676.

The previous prime is 2186039. The next prime is 2186059. The reversal of 2186046 is 6406812.

It is a super-2 number, since 2×2186046² = 9557594228232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60706 + ... + 60741.

It is an arithmetic number, because the mean of its divisors is an integer number (394706).

2^2186046 is an apocalyptic number.

2186046 is an abundant number, since it is smaller than the sum of its proper divisors (2550426).

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

2186046 is a wasteful number, since it uses less digits than its factorization.

2186046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121455 (or 121452 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2186046 is about 1478.5283223530. The cubic root of 2186046 is about 129.7835846994.

The spelling of 2186046 in words is "two million, one hundred eighty-six thousand, forty-six".