3748218 has 32 divisors (see below), whose sum is σ = 7917696. Its totient is φ = 1180608.

The previous prime is 3748207. The next prime is 3748219. The reversal of 3748218 is 8128473.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3748219) 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, 21580 + ... + 21752.

It is an arithmetic number, because the mean of its divisors is an integer number (247428).

Almost surely, 2^3748218 is an apocalyptic number.

3748218 is an abundant number, since it is smaller than the sum of its proper divisors (4169478).

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

3748218 is a wasteful number, since it uses less digits than its factorization.

3748218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358.

The product of its digits is 10752, while the sum is 33.

The square root of 3748218 is about 1936.0315080081. The cubic root of 3748218 is about 155.3370121171.

The spelling of 3748218 in words is "three million, seven hundred forty-eight thousand, two hundred eighteen".