2186136 has 64 divisors (see below), whose sum is σ = 6300000. Its totient is φ = 701568.

The previous prime is 2186113. The next prime is 2186141. The reversal of 2186136 is 6316812.

It is a super-2 number, since 2×2186136² = 9558381220992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

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, 6090 + ... + 6438.

2^2186136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2186136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3150000).

2186136 is an abundant number, since it is smaller than the sum of its proper divisors (4113864).

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

2186136 is a wasteful number, since it uses less digits than its factorization.

2186136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 383 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2186136 is about 1478.5587577097. The cubic root of 2186136 is about 129.7853657480.

The spelling of 2186136 in words is "two million, one hundred eighty-six thousand, one hundred thirty-six".