3689748 has 36 divisors (see below), whose sum is σ = 9877140. Its totient is φ = 1157376.

The previous prime is 3689723. The next prime is 3689753. The reversal of 3689748 is 8479863.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3196944 + 492804 = 1788^2 + 702^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3689748² = 27228480607008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2403 + ... + 3626.

It is an arithmetic number, because the mean of its divisors is an integer number (274365).

Almost surely, 2^3689748 is an apocalyptic number.

It is an amenable number.

3689748 is an abundant number, since it is smaller than the sum of its proper divisors (6187392).

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

3689748 is a wasteful number, since it uses less digits than its factorization.

3689748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056 (or 6051 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 3689748 is about 1920.8716771299. The cubic root of 3689748 is about 154.5250532785.

The spelling of 3689748 in words is "three million, six hundred eighty-nine thousand, seven hundred forty-eight".