3748656 has 40 divisors (see below), whose sum is σ = 10021680. Its totient is φ = 1206016.

The previous prime is 3748651. The next prime is 3748663. The reversal of 3748656 is 6568473.

It is not an unprimeable number, because it can be changed into a prime (3748651) 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, 46 + ... + 2738.

It is an arithmetic number, because the mean of its divisors is an integer number (250542).

Almost surely, 2^3748656 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 3748656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5010840).

3748656 is an abundant number, since it is smaller than the sum of its proper divisors (6273024).

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

3748656 is a wasteful number, since it uses less digits than its factorization.

3748656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2727 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 3748656 is about 1936.1446226974. The cubic root of 3748656 is about 155.3430625444.

The spelling of 3748656 in words is "three million, seven hundred forty-eight thousand, six hundred fifty-six".