3685263 has 8 divisors (see below), whose sum is σ = 4926768. Its totient is φ = 2450304.

The previous prime is 3685247. The next prime is 3685273. The reversal of 3685263 is 3625863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3685263 - 2⁴ = 3685247 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3³ + 6² + 8 + 5⁹ + 2¹⁵ + 6⁸ + 3⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120 + ... + 2717.

It is an arithmetic number, because the mean of its divisors is an integer number (615846).

Almost surely, 2^3685263 is an apocalyptic number.

3685263 is a deficient number, since it is larger than the sum of its proper divisors (1241505).

3685263 is a wasteful number, since it uses less digits than its factorization.

3685263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273.

The product of its digits is 25920, while the sum is 33.

The square root of 3685263 is about 1919.7038834154. The cubic root of 3685263 is about 154.4624179387.

The spelling of 3685263 in words is "three million, six hundred eighty-five thousand, two hundred sixty-three".