3688244 has 24 divisors (see below), whose sum is σ = 7432320. Its totient is φ = 1568736.

The previous prime is 3688241. The next prime is 3688247. The reversal of 3688244 is 4428863.

It is an interprime number because it is at equal distance from previous prime (3688241) and next prime (3688247).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3688241) 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, 3977 + ... + 4815.

It is an arithmetic number, because the mean of its divisors is an integer number (309680).

Almost surely, 2^3688244 is an apocalyptic number.

It is an amenable number.

3688244 is an abundant number, since it is smaller than the sum of its proper divisors (3744076).

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

3688244 is a wasteful number, since it uses less digits than its factorization.

3688244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 1005 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 3688244 is about 1920.4801482963. The cubic root of 3688244 is about 154.5040548015.

The spelling of 3688244 in words is "three million, six hundred eighty-eight thousand, two hundred forty-four".