3884642 has 4 divisors (see below), whose sum is σ = 5826966. Its totient is φ = 1942320.

The previous prime is 3884609. The next prime is 3884659. The reversal of 3884642 is 2464883.

3884642 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, and also an emirpimes, since its reverse is a distinct semiprime: 2464883 = 967 ⋅2549.

It can be written as a sum of positive squares in only one way, i.e., 2758921 + 1125721 = 1661^2 + 1061^2 .

It is an unprimeable number.

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, 971159 + ... + 971162.

Almost surely, 2^3884642 is an apocalyptic number.

3884642 is a deficient number, since it is larger than the sum of its proper divisors (1942324).

3884642 is a wasteful number, since it uses less digits than its factorization.

3884642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942323.

The product of its digits is 36864, while the sum is 35.

The square root of 3884642 is about 1970.9495173647. The cubic root of 3884642 is about 157.1992008109.

The spelling of 3884642 in words is "three million, eight hundred eighty-four thousand, six hundred forty-two".