4140186 has 16 divisors (see below), whose sum is σ = 8304768. Its totient is φ = 1376000.

The previous prime is 4140173. The next prime is 4140211. The reversal of 4140186 is 6810414.

It is a super-2 number, since 2×4140186² = 34282280229192, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786 + ... + 3386.

It is an arithmetic number, because the mean of its divisors is an integer number (519048).

Almost surely, 2^4140186 is an apocalyptic number.

4140186 is an abundant number, since it is smaller than the sum of its proper divisors (4164582).

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

4140186 is a wasteful number, since it uses less digits than its factorization.

4140186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 4140186 is about 2034.7447014306. The cubic root of 4140186 is about 160.5732820117.

The spelling of 4140186 in words is "four million, one hundred forty thousand, one hundred eighty-six".