3642186 has 32 divisors (see below), whose sum is σ = 7856640. Its totient is φ = 1121904.

The previous prime is 3642157. The next prime is 3642203. The reversal of 3642186 is 6812463.

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, 4531 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (245520).

Almost surely, 2^3642186 is an apocalyptic number.

3642186 is an abundant number, since it is smaller than the sum of its proper divisors (4214454).

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

3642186 is a wasteful number, since it uses less digits than its factorization.

3642186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810.

The product of its digits is 6912, while the sum is 30.

The square root of 3642186 is about 1908.4512045111. The cubic root of 3642186 is about 153.8582211176.

It can be divided in two parts, 3642 and 186, that added together give a triangular number (3828 = T₈₇).

The spelling of 3642186 in words is "three million, six hundred forty-two thousand, one hundred eighty-six".