3866275 has 12 divisors (see below), whose sum is σ = 5479312. Its totient is φ = 2651040.

The previous prime is 3866263. The next prime is 3866281. The reversal of 3866275 is 5726683.

It is not a de Polignac number, because 3866275 - 2⁵ = 3866243 is a prime.

It is a d-powerful number, because it can be written as 3¹² + 8⁷ + 6 + 6⁷ + 2¹⁷ + 7⁷ + 5⁵ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10872 + ... + 11221.

Almost surely, 2^3866275 is an apocalyptic number.

3866275 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3866275 is a deficient number, since it is larger than the sum of its proper divisors (1613037).

3866275 is a wasteful number, since it uses less digits than its factorization.

3866275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22110 (or 22105 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 3866275 is about 1966.2845674012. The cubic root of 3866275 is about 156.9510578105.

The spelling of 3866275 in words is "three million, eight hundred sixty-six thousand, two hundred seventy-five".