442738006 has 8 divisors (see below), whose sum is σ = 675363240. Its totient is φ = 217616928.

The previous prime is 442738003. The next prime is 442738007. The reversal of 442738006 is 600837244.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442738003) 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, 1875891 + ... + 1876126.

It is an arithmetic number, because the mean of its divisors is an integer number (84420405).

Almost surely, 2^442738006 is an apocalyptic number.

442738006 is a deficient number, since it is larger than the sum of its proper divisors (232625234).

442738006 is a wasteful number, since it uses less digits than its factorization.

442738006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752078.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 442738006 is about 21041.3404040712. The cubic root of 442738006 is about 762.1648835012.

The spelling of 442738006 in words is "four hundred forty-two million, seven hundred thirty-eight thousand, six".