3774186 has 36 divisors (see below), whose sum is σ = 8876322. Its totient is φ = 1152144.

The previous prime is 3774181. The next prime is 3774191. The reversal of 3774186 is 6814773.

It is an interprime number because it is at equal distance from previous prime (3774181) and next prime (3774191).

It can be written as a sum of positive squares in only one way, i.e., 3629025 + 145161 = 1905^2 + 381^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3774186.

It is not an unprimeable number, because it can be changed into a prime (3774181) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 29655 + ... + 29781.

Almost surely, 2^3774186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3774186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4438161).

3774186 is an abundant number, since it is smaller than the sum of its proper divisors (5102136).

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

3774186 is a wasteful number, since it uses less digits than its factorization.

3774186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 145 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 3774186 is about 1942.7264346789. The cubic root of 3774186 is about 155.6949165691.

The spelling of 3774186 in words is "three million, seven hundred seventy-four thousand, one hundred eighty-six".