32004442 has 4 divisors (see below), whose sum is σ = 48006666. Its totient is φ = 16002220.

The previous prime is 32004439. The next prime is 32004451. The reversal of 32004442 is 24440023.

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., 28398241 + 3606201 = 5329^2 + 1899^2 .

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, 8001109 + ... + 8001112.

Almost surely, 2^32004442 is an apocalyptic number.

32004442 is a deficient number, since it is larger than the sum of its proper divisors (16002224).

32004442 is a wasteful number, since it uses less digits than its factorization.

32004442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16002223.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 32004442 is about 5657.2468569084. The cubic root of 32004442 is about 317.4948997879.

Adding to 32004442 its reverse (24440023), we get a palindrome (56444465).

The spelling of 32004442 in words is "thirty-two million, four thousand, four hundred forty-two".