3641868 has 24 divisors (see below), whose sum is σ = 9442160. Its totient is φ = 1213920.

The previous prime is 3641867. The next prime is 3641881. The reversal of 3641868 is 8681463.

It is a happy number.

3641868 is a `hidden beast` number, since 3 + 641 + 8 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3641861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16753 + ... + 16968.

Almost surely, 2^3641868 is an apocalyptic number.

It is an amenable number.

3641868 is an abundant number, since it is smaller than the sum of its proper divisors (5800292).

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

3641868 is a wasteful number, since it uses less digits than its factorization.

3641868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33734 (or 33726 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 3641868 is about 1908.3678890612. The cubic root of 3641868 is about 153.8537431897.

The spelling of 3641868 in words is "three million, six hundred forty-one thousand, eight hundred sixty-eight".