3748947 has 16 divisors (see below), whose sum is σ = 5328000. Its totient is φ = 2337984.

The previous prime is 3748939. The next prime is 3748957. The reversal of 3748947 is 7498473.

3748947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3748947 - 2³ = 3748939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3748899 and 3748908.

It is not an unprimeable number, because it can be changed into a prime (3748907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4704 + ... + 5442.

It is an arithmetic number, because the mean of its divisors is an integer number (333000).

Almost surely, 2^3748947 is an apocalyptic number.

3748947 is a deficient number, since it is larger than the sum of its proper divisors (1579053).

3748947 is a wasteful number, since it uses less digits than its factorization.

3748947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850.

The product of its digits is 169344, while the sum is 42.

The square root of 3748947 is about 1936.2197705839. The cubic root of 3748947 is about 155.3470820882.

It can be divided in two parts, 37 and 48947, that added together give a palindrome (48984).

The spelling of 3748947 in words is "three million, seven hundred forty-eight thousand, nine hundred forty-seven".