3884842 has 8 divisors (see below), whose sum is σ = 6275556. Its totient is φ = 1792992.

The previous prime is 3884833. The next prime is 3884843. The reversal of 3884842 is 2484883.

It is a Cunningham number, because it is equal to 1971²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 3884841 + 1 = 1971^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3884843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74683 + ... + 74734.

Almost surely, 2^3884842 is an apocalyptic number.

3884842 is a deficient number, since it is larger than the sum of its proper divisors (2390714).

3884842 is a wasteful number, since it uses less digits than its factorization.

3884842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149432.

The product of its digits is 49152, while the sum is 37.

The square root of 3884842 is about 1971.0002536783. Note that the first 3 decimals coincide. The cubic root of 3884842 is about 157.2018985542.

The spelling of 3884842 in words is "three million, eight hundred eighty-four thousand, eight hundred forty-two".