3866065 has 8 divisors (see below), whose sum is σ = 5302080. Its totient is φ = 2650992.

The previous prime is 3866039. The next prime is 3866081. The reversal of 3866065 is 5606683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3866065 - 2⁵ = 3866033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3866065.

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, 55195 + ... + 55264.

It is an arithmetic number, because the mean of its divisors is an integer number (662760).

Almost surely, 2^3866065 is an apocalyptic number.

3866065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3866065 is a deficient number, since it is larger than the sum of its proper divisors (1436015).

3866065 is a wasteful number, since it uses less digits than its factorization.

3866065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110471.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 3866065 is about 1966.2311664705. The cubic root of 3866065 is about 156.9482161159.

The spelling of 3866065 in words is "three million, eight hundred sixty-six thousand, sixty-five".