3689862 has 32 divisors (see below), whose sum is σ = 8273664. Its totient is φ = 1087200.

The previous prime is 3689843. The next prime is 3689863. The reversal of 3689862 is 2689863.

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 15 ways as a sum of consecutive naturals, for example, 1687 + ... + 3197.

It is an arithmetic number, because the mean of its divisors is an integer number (258552).

Almost surely, 2^3689862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3689862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4136832).

3689862 is an abundant number, since it is smaller than the sum of its proper divisors (4583802).

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

3689862 is a wasteful number, since it uses less digits than its factorization.

3689862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its digits is 124416, while the sum is 42.

The square root of 3689862 is about 1920.9013509288. The cubic root of 3689862 is about 154.5266446857.

Subtracting from 3689862 its reverse (2689863), we obtain a palindrome (999999).

It can be divided in two parts, 36 and 89862, that added together give a palindrome (89898).

The spelling of 3689862 in words is "three million, six hundred eighty-nine thousand, eight hundred sixty-two".