3145866 has 16 divisors (see below), whose sum is σ = 6368544. Its totient is φ = 1035824.

The previous prime is 3145841. The next prime is 3145873. The reversal of 3145866 is 6685413.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2661 + ... + 3656.

It is an arithmetic number, because the mean of its divisors is an integer number (398034).

Almost surely, 2^3145866 is an apocalyptic number.

3145866 is an abundant number, since it is smaller than the sum of its proper divisors (3222678).

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

3145866 is a wasteful number, since it uses less digits than its factorization.

3145866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405.

The product of its digits is 17280, while the sum is 33.

The square root of 3145866 is about 1773.6589300088. The cubic root of 3145866 is about 146.5255656284.

The spelling of 3145866 in words is "three million, one hundred forty-five thousand, eight hundred sixty-six".