39004442 has 8 divisors (see below), whose sum is σ = 58533300. Its totient is φ = 19493344.

The previous prime is 39004429. The next prime is 39004447. The reversal of 39004442 is 24440093.

It can be written as a sum of positive squares in 2 ways, for example, as 38700841 + 303601 = 6221^2 + 551^2 .

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 (39004447) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5534 + ... + 10422.

Almost surely, 2^39004442 is an apocalyptic number.

39004442 is a deficient number, since it is larger than the sum of its proper divisors (19528858).

39004442 is a wasteful number, since it uses less digits than its factorization.

39004442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 39004442 is about 6245.3536329018. The cubic root of 39004442 is about 339.1340188222.

The spelling of 39004442 in words is "thirty-nine million, four thousand, four hundred forty-two".