3728318 has 16 divisors (see below), whose sum is σ = 6150384. Its totient is φ = 1680960.

The previous prime is 3728317. The next prime is 3728357. The reversal of 3728318 is 8138273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2396 + ... + 3632.

It is an arithmetic number, because the mean of its divisors is an integer number (384399).

Almost surely, 2^3728318 is an apocalyptic number.

3728318 is a deficient number, since it is larger than the sum of its proper divisors (2422066).

3728318 is a wasteful number, since it uses less digits than its factorization.

3728318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its digits is 8064, while the sum is 32.

The square root of 3728318 is about 1930.8852891873. The cubic root of 3728318 is about 155.0616196208.

The spelling of 3728318 in words is "three million, seven hundred twenty-eight thousand, three hundred eighteen".