3142186 has 4 divisors (see below), whose sum is σ = 4713282. Its totient is φ = 1571092.

The previous prime is 3142177. The next prime is 3142187. The reversal of 3142186 is 6812413.

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

It can be written as a sum of positive squares in only one way, i.e., 2387025 + 755161 = 1545^2 + 869^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3142186.

It is not an unprimeable number, because it can be changed into a prime (3142187) 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 as a sum of consecutive naturals, namely, 785545 + ... + 785548.

Almost surely, 2^3142186 is an apocalyptic number.

3142186 is a deficient number, since it is larger than the sum of its proper divisors (1571096).

3142186 is a wasteful number, since it uses less digits than its factorization.

3142186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571095.

The product of its digits is 1152, while the sum is 25.

The square root of 3142186 is about 1772.6212229351. The cubic root of 3142186 is about 146.4684086618.

Adding to 3142186 its reverse (6812413), we get a palindrome (9954599).

It can be divided in two parts, 314 and 2186, that added together give a square (2500 = 50²).

The spelling of 3142186 in words is "three million, one hundred forty-two thousand, one hundred eighty-six".