3886142442 has 128 divisors (see below), whose sum is σ = 9949298688. Its totient is φ = 984614400.

The previous prime is 3886142431. The next prime is 3886142443. The reversal of 3886142442 is 2442416883.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 3886142394 and 3886142403.

It is not an unprimeable number, because it can be changed into a prime (3886142443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1498567 + ... + 1501157.

It is an arithmetic number, because the mean of its divisors is an integer number (77728896).

Almost surely, 2^3886142442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3886142442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4974649344).

3886142442 is an abundant number, since it is smaller than the sum of its proper divisors (6063156246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3886142442 is a wasteful number, since it uses less digits than its factorization.

3886142442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724.

The product of its digits is 294912, while the sum is 42.

The square root of 3886142442 is about 62338.9319927764. The cubic root of 3886142442 is about 1572.1943758960.

The spelling of 3886142442 in words is "three billion, eight hundred eighty-six million, one hundred forty-two thousand, four hundred forty-two".