3689140 has 48 divisors (see below), whose sum is σ = 9539712. Its totient is φ = 1166976.

The previous prime is 3689137. The next prime is 3689141. The reversal of 3689140 is 419863.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689141) 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, 807 + ... + 2833.

It is an arithmetic number, because the mean of its divisors is an integer number (198744).

Almost surely, 2^3689140 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 3689140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4769856).

3689140 is an abundant number, since it is smaller than the sum of its proper divisors (5850572).

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

3689140 is a wasteful number, since it uses less digits than its factorization.

3689140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3689140 is about 1920.7134091269. The cubic root of 3689140 is about 154.5165652197.

The spelling of 3689140 in words is "three million, six hundred eighty-nine thousand, one hundred forty".