3911842 has 8 divisors (see below), whose sum is σ = 6401232. Its totient is φ = 1778100.

The previous prime is 3911821. The next prime is 3911849. The reversal of 3911842 is 2481193.

It is a happy number.

3911842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3911842.

It is not an unprimeable number, because it can be changed into a prime (3911849) 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 3 ways as a sum of consecutive naturals, for example, 88884 + ... + 88927.

It is an arithmetic number, because the mean of its divisors is an integer number (800154).

Almost surely, 2^3911842 is an apocalyptic number.

3911842 is a deficient number, since it is larger than the sum of its proper divisors (2489390).

3911842 is a wasteful number, since it uses less digits than its factorization.

3911842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177824.

The product of its digits is 1728, while the sum is 28.

The square root of 3911842 is about 1977.8377082056. The cubic root of 3911842 is about 157.5652471749.

It can be divided in two parts, 3911 and 842, that added together give a triangular number (4753 = T₉₇).

The spelling of 3911842 in words is "three million, nine hundred eleven thousand, eight hundred forty-two".