3888142 has 4 divisors (see below), whose sum is σ = 5832216. Its totient is φ = 1944070.

The previous prime is 3888107. The next prime is 3888149. The reversal of 3888142 is 2418883.

3888142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 3888098 and 3888107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888149) 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 as a sum of consecutive naturals, namely, 972034 + ... + 972037.

It is an arithmetic number, because the mean of its divisors is an integer number (1458054).

Almost surely, 2^3888142 is an apocalyptic number.

3888142 is a deficient number, since it is larger than the sum of its proper divisors (1944074).

3888142 is a wasteful number, since it uses less digits than its factorization.

3888142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944073.

The product of its digits is 12288, while the sum is 34.

The square root of 3888142 is about 1971.8372143765. The cubic root of 3888142 is about 157.2463979568.

The spelling of 3888142 in words is "three million, eight hundred eighty-eight thousand, one hundred forty-two".