3812265 has 20 divisors (see below), whose sum is σ = 6834564. Its totient is φ = 2032992.

The previous prime is 3812261. The next prime is 3812269. The reversal of 3812265 is 5622183.

It is an interprime number because it is at equal distance from previous prime (3812261) and next prime (3812269).

It can be written as a sum of positive squares in 2 ways, for example, as 2985984 + 826281 = 1728^2 + 909^2 .

It is not a de Polignac number, because 3812265 - 2² = 3812261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3812261) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4302 + ... + 5111.

Almost surely, 2^3812265 is an apocalyptic number.

It is an amenable number.

3812265 is a deficient number, since it is larger than the sum of its proper divisors (3022299).

3812265 is an equidigital number, since it uses as much as digits as its factorization.

3812265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9430 (or 9421 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 3812265 is about 1952.5022407157. The cubic root of 3812265 is about 156.2167844062.

The spelling of 3812265 in words is "three million, eight hundred twelve thousand, two hundred sixty-five".