3942555 has 16 divisors (see below), whose sum is σ = 6679584. Its totient is φ = 1978880.

The previous prime is 3942553. The next prime is 3942569. The reversal of 3942555 is 5552493.

3942555 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 3942555 - 2¹ = 3942553 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3⁹ + 9² + 4⁷ + 2⁵ + 5³ + 5⁹ + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (3942551) 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 15 ways as a sum of consecutive naturals, for example, 7476 + ... + 7985.

It is an arithmetic number, because the mean of its divisors is an integer number (417474).

Almost surely, 2^3942555 is an apocalyptic number.

3942555 is a deficient number, since it is larger than the sum of its proper divisors (2737029).

3942555 is a wasteful number, since it uses less digits than its factorization.

3942555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15486.

The product of its digits is 27000, while the sum is 33.

The square root of 3942555 is about 1985.5868150247. The cubic root of 3942555 is about 157.9765360659.

The spelling of 3942555 in words is "three million, nine hundred forty-two thousand, five hundred fifty-five".