3840075 has 24 divisors (see below), whose sum is σ = 7055600. Its totient is φ = 2047680.

The previous prime is 3840061. The next prime is 3840077. The reversal of 3840075 is 5700483.

3840075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3840075 - 2⁴ = 3840059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840077) 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 23 ways as a sum of consecutive naturals, for example, 2170 + ... + 3519.

Almost surely, 2^3840075 is an apocalyptic number.

3840075 is a deficient number, since it is larger than the sum of its proper divisors (3215525).

3840075 is a wasteful number, since it uses less digits than its factorization.

3840075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5708 (or 5697 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3840075 is about 1959.6109307717. The cubic root of 3840075 is about 156.5957251369.

The spelling of 3840075 in words is "three million, eight hundred forty thousand, seventy-five".