3685266 has 24 divisors (see below), whose sum is σ = 8599500. Its totient is φ = 1133856.

The previous prime is 3685247. The next prime is 3685273. The reversal of 3685266 is 6625863.

3685266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2792241 + 893025 = 1671^2 + 945^2 .

It is a d-powerful number, because it can be written as 3¹³ + 6 + 8⁴ + 5⁸ + 2¹⁴ + 6³ + 6⁸ .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3685266.

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 11 ways as a sum of consecutive naturals, for example, 7641 + ... + 8108.

Almost surely, 2^3685266 is an apocalyptic number.

3685266 is an abundant number, since it is smaller than the sum of its proper divisors (4914234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3685266 is a wasteful number, since it uses less digits than its factorization.

3685266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15770 (or 15767 counting only the distinct ones).

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

The square root of 3685266 is about 1919.7046647857. The cubic root of 3685266 is about 154.4624598522.

The spelling of 3685266 in words is "three million, six hundred eighty-five thousand, two hundred sixty-six".