3786306 has 16 divisors (see below), whose sum is σ = 7902144. Its totient is φ = 1207184.

The previous prime is 3786287. The next prime is 3786311. The reversal of 3786306 is 6036873.

It is a happy number.

It is a super-2 number, since 2×3786306² = 28672226251272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13581 + ... + 13856.

It is an arithmetic number, because the mean of its divisors is an integer number (493884).

Almost surely, 2^3786306 is an apocalyptic number.

3786306 is an abundant number, since it is smaller than the sum of its proper divisors (4115838).

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

3786306 is a wasteful number, since it uses less digits than its factorization.

3786306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27465.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 3786306 is about 1945.8432619304. The cubic root of 3786306 is about 155.8613989188.

The spelling of 3786306 in words is "three million, seven hundred eighty-six thousand, three hundred six".