4084442 has 4 divisors (see below), whose sum is σ = 6126666. Its totient is φ = 2042220.

The previous prime is 4084439. The next prime is 4084517. The reversal of 4084442 is 2444804.

It is a Cunningham number, because it is equal to 2021²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 4084441 + 1 = 2021^2 + 1^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021109 + ... + 1021112.

Almost surely, 2^4084442 is an apocalyptic number.

4084442 is a deficient number, since it is larger than the sum of its proper divisors (2042224).

4084442 is a wasteful number, since it uses less digits than its factorization.

4084442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042223.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 4084442 is about 2021.0002474023. Note that the first 3 decimals coincide. The cubic root of 4084442 is about 159.8493634317.

The spelling of 4084442 in words is "four million, eighty-four thousand, four hundred forty-two".