3689868 has 96 divisors (see below), whose sum is σ = 11038720. Its totient is φ = 933120.

The previous prime is 3689863. The next prime is 3689869. The reversal of 3689868 is 8689863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33798 + ... + 33906.

Almost surely, 2^3689868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3689868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5519360).

3689868 is an abundant number, since it is smaller than the sum of its proper divisors (7348852).

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

3689868 is a wasteful number, since it uses less digits than its factorization.

3689868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 165 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 3689868 is about 1920.9029126950. The cubic root of 3689868 is about 154.5267284430.

The spelling of 3689868 in words is "three million, six hundred eighty-nine thousand, eight hundred sixty-eight".