3709648 has 20 divisors (see below), whose sum is σ = 7260448. Its totient is φ = 1836000.

The previous prime is 3709633. The next prime is 3709661. The reversal of 3709648 is 8469073.

It is a super-2 number, since 2×3709648² = 27522976567808, 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 3 ways as a sum of consecutive naturals, for example, 523 + ... + 2773.

Almost surely, 2^3709648 is an apocalyptic number.

It is an amenable number.

3709648 is a deficient number, since it is larger than the sum of its proper divisors (3550800).

3709648 is a wasteful number, since it uses less digits than its factorization.

3709648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362 (or 2356 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3709648 is about 1926.0446516112. The cubic root of 3709648 is about 154.8023564821.

The spelling of 3709648 in words is "three million, seven hundred nine thousand, six hundred forty-eight".