3866265 has 32 divisors (see below), whose sum is σ = 7405440. Its totient is φ = 1902528.

The previous prime is 3866263. The next prime is 3866281. The reversal of 3866265 is 5626683.

It is not a de Polignac number, because 3866265 - 2¹ = 3866263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3866263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 654 + ... + 2856.

It is an arithmetic number, because the mean of its divisors is an integer number (231420).

Almost surely, 2^3866265 is an apocalyptic number.

It is an amenable number.

3866265 is a deficient number, since it is larger than the sum of its proper divisors (3539175).

3866265 is a wasteful number, since it uses less digits than its factorization.

3866265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230 (or 2224 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3866265 is about 1966.2820245326. The cubic root of 3866265 is about 156.9509224940.

The spelling of 3866265 in words is "three million, eight hundred sixty-six thousand, two hundred sixty-five".