3765285 has 28 divisors (see below), whose sum is σ = 6780972. Its totient is φ = 2006208.

The previous prime is 3765271. The next prime is 3765299. The reversal of 3765285 is 5825673.

3765285 is a `hidden beast` number, since 376 + 5 + 285 = 666.

3765285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3765271) and next prime (3765299).

It can be written as a sum of positive squares in 2 ways, for example, as 2712609 + 1052676 = 1647^2 + 1026^2 .

It is not a de Polignac number, because 3765285 - 2⁵ = 3765253 is a prime.

It is a super-2 number, since 2×3765285² = 28354742262450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3129 + ... + 4161.

Almost surely, 2^3765285 is an apocalyptic number.

It is an amenable number.

3765285 is a deficient number, since it is larger than the sum of its proper divisors (3015687).

3765285 is an equidigital number, since it uses as much as digits as its factorization.

3765285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1041 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 3765285 is about 1940.4342297537. The cubic root of 3765285 is about 155.5724238132.

The spelling of 3765285 in words is "three million, seven hundred sixty-five thousand, two hundred eighty-five".