3568861 has 12 divisors (see below), whose sum is σ = 3879252. Its totient is φ = 3281408.

The previous prime is 3568853. The next prime is 3568867. The reversal of 3568861 is 1688653.

It can be written as a sum of positive squares in 6 ways, for example, as 219961 + 3348900 = 469^2 + 1830^2 .

It is not a de Polignac number, because 3568861 - 2³ = 3568853 is a prime.

It is a Duffinian number.

Its product of digits (34560) is a multiple of the sum of its prime factors (320).

It is a self number, because there is not a number n which added to its sum of digits gives 3568861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3568867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15201 + ... + 15433.

It is an arithmetic number, because the mean of its divisors is an integer number (323271).

Almost surely, 2^3568861 is an apocalyptic number.

It is an amenable number.

3568861 is a deficient number, since it is larger than the sum of its proper divisors (310391).

3568861 is a wasteful number, since it uses less digits than its factorization.

3568861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 303 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 3568861 is about 1889.1429273615. The cubic root of 3568861 is about 152.8187153277.

The spelling of 3568861 in words is "three million, five hundred sixty-eight thousand, eight hundred sixty-one".