3748217 has 6 divisors (see below), whose sum is σ = 4120074. Its totient is φ = 3407360.

The previous prime is 3748207. The next prime is 3748219. The reversal of 3748217 is 7128473.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3748096 + 121 = 1936^2 + 11^2 .

It is not a de Polignac number, because 3748217 - 2⁶ = 3748153 is a prime.

It is a Duffinian number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 15368 + ... + 15609.

It is an arithmetic number, because the mean of its divisors is an integer number (686679).

Almost surely, 2^3748217 is an apocalyptic number.

It is an amenable number.

3748217 is a deficient number, since it is larger than the sum of its proper divisors (371857).

3748217 is a wasteful number, since it uses less digits than its factorization.

3748217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30999 (or 30988 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 3748217 is about 1936.0312497478. The cubic root of 3748217 is about 155.3369983028.

The spelling of 3748217 in words is "three million, seven hundred forty-eight thousand, two hundred seventeen".