3750385 has 4 divisors (see below), whose sum is σ = 4500468. Its totient is φ = 3000304.

The previous prime is 3750379. The next prime is 3750389. The reversal of 3750385 is 5830573.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2961841 + 788544 = 1721^2 + 888^2 .

It is a cyclic number.

It is not a de Polignac number, because 3750385 - 2⁹ = 3749873 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3750389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375034 + ... + 375043.

It is an arithmetic number, because the mean of its divisors is an integer number (1125117).

Almost surely, 2^3750385 is an apocalyptic number.

It is an amenable number.

3750385 is a deficient number, since it is larger than the sum of its proper divisors (750083).

3750385 is an equidigital number, since it uses as much as digits as its factorization.

3750385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750082.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 3750385 is about 1936.5910771250. The cubic root of 3750385 is about 155.3669419358.

The spelling of 3750385 in words is "three million, seven hundred fifty thousand, three hundred eighty-five".