3568866 has 48 divisors (see below), whose sum is σ = 8481600. Its totient is φ = 997920.

The previous prime is 3568853. The next prime is 3568867. The reversal of 3568866 is 6688653.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 17835 + ... + 18033.

It is an arithmetic number, because the mean of its divisors is an integer number (176700).

Almost surely, 2^3568866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3568866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4240800).

3568866 is an abundant number, since it is smaller than the sum of its proper divisors (4912734).

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

3568866 is a wasteful number, since it uses less digits than its factorization.

3568866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 272 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 3568866 is about 1889.1442507125. The cubic root of 3568866 is about 152.8187866944.

The spelling of 3568866 in words is "three million, five hundred sixty-eight thousand, eight hundred sixty-six".