3718420 has 24 divisors (see below), whose sum is σ = 7900200. Its totient is φ = 1469952.

The previous prime is 3718417. The next prime is 3718423. The reversal of 3718420 is 248173.

3718420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3718417) and next prime (3718423).

It can be written as a sum of positive squares in 4 ways, for example, as 492804 + 3225616 = 702^2 + 1796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3718423) 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 7 ways as a sum of consecutive naturals, for example, 736 + ... + 2824.

It is an arithmetic number, because the mean of its divisors is an integer number (329175).

Almost surely, 2^3718420 is an apocalyptic number.

It is an amenable number.

3718420 is an abundant number, since it is smaller than the sum of its proper divisors (4181780).

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

3718420 is a wasteful number, since it uses less digits than its factorization.

3718420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 3718420 is about 1928.3205127779. The cubic root of 3718420 is about 154.9242779633.

The spelling of 3718420 in words is "three million, seven hundred eighteen thousand, four hundred twenty".