3563685 has 12 divisors (see below), whose sum is σ = 6177132. Its totient is φ = 1900608.

The previous prime is 3563671. The next prime is 3563699. The reversal of 3563685 is 5863653.

It is an interprime number because it is at equal distance from previous prime (3563671) and next prime (3563699).

It can be written as a sum of positive squares in 2 ways, for example, as 1185921 + 2377764 = 1089^2 + 1542^2 .

It is not a de Polignac number, because 3563685 - 2⁵ = 3563653 is a prime.

It is a Curzon number.

It is a congruent 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, 39552 + ... + 39641.

It is an arithmetic number, because the mean of its divisors is an integer number (514761).

Almost surely, 2^3563685 is an apocalyptic number.

It is an amenable number.

3563685 is a deficient number, since it is larger than the sum of its proper divisors (2613447).

3563685 is a wasteful number, since it uses less digits than its factorization.

3563685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79204 (or 79201 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 3563685 is about 1887.7724968862. The cubic root of 3563685 is about 152.7448007673.

Subtracting 3563685 from its reverse (5863653), we obtain a cube (2299968 = 132³).

It can be divided in two parts, 35636 and 85, that added together give a square (35721 = 189²).

The spelling of 3563685 in words is "three million, five hundred sixty-three thousand, six hundred eighty-five".