442375903 has 8 divisors (see below), whose sum is σ = 447336000. Its totient is φ = 437434368.

The previous prime is 442375883. The next prime is 442375907. The reversal of 442375903 is 309573244.

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

It is a cyclic number.

It is not a de Polignac number, because 442375903 - 2⁹ = 442375391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442375907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46378 + ... + 55096.

It is an arithmetic number, because the mean of its divisors is an integer number (55917000).

Almost surely, 2^442375903 is an apocalyptic number.

442375903 is a deficient number, since it is larger than the sum of its proper divisors (4960097).

442375903 is a wasteful number, since it uses less digits than its factorization.

442375903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9281.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 442375903 is about 21032.7340828529. The cubic root of 442375903 is about 761.9570423998.

The spelling of 442375903 in words is "four hundred forty-two million, three hundred seventy-five thousand, nine hundred three".