3748641 has 16 divisors (see below), whose sum is σ = 5417664. Its totient is φ = 2291904.

The previous prime is 3748607. The next prime is 3748651. The reversal of 3748641 is 1468473.

It is not a de Polignac number, because 3748641 - 2¹¹ = 3746593 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 10630 + ... + 10976.

It is an arithmetic number, because the mean of its divisors is an integer number (338604).

Almost surely, 2^3748641 is an apocalyptic number.

It is an amenable number.

3748641 is a deficient number, since it is larger than the sum of its proper divisors (1669023).

3748641 is a wasteful number, since it uses less digits than its factorization.

3748641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its digits is 16128, while the sum is 33.

The square root of 3748641 is about 1936.1407490159. The cubic root of 3748641 is about 155.3428553458.

The spelling of 3748641 in words is "three million, seven hundred forty-eight thousand, six hundred forty-one".