3728113 has 2 divisors, whose sum is σ = 3728114. Its totient is φ = 3728112.

The previous prime is 3728099. The next prime is 3728141. The reversal of 3728113 is 3118273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3504384 + 223729 = 1872^2 + 473^2 .

It is a cyclic number.

It is not a de Polignac number, because 3728113 - 2¹³ = 3719921 is a prime.

It is not a weakly prime, because it can be changed into another prime (3728173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1864056 + 1864057.

It is an arithmetic number, because the mean of its divisors is an integer number (1864057).

Almost surely, 2^3728113 is an apocalyptic number.

It is an amenable number.

3728113 is a deficient number, since it is larger than the sum of its proper divisors (1).

3728113 is an equidigital number, since it uses as much as digits as its factorization.

3728113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 3728113 is about 1930.8322039991. The cubic root of 3728113 is about 155.0587775694.

The spelling of 3728113 in words is "three million, seven hundred twenty-eight thousand, one hundred thirteen".