442604243 has 4 divisors (see below), whose sum is σ = 443872800. Its totient is φ = 441335688.

The previous prime is 442604213. The next prime is 442604251. The reversal of 442604243 is 342406244.

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

It is a cyclic number.

It is not a de Polignac number, because 442604243 - 2⁶ = 442604179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442604213) 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, 633755 + ... + 634452.

It is an arithmetic number, because the mean of its divisors is an integer number (110968200).

Almost surely, 2^442604243 is an apocalyptic number.

442604243 is a deficient number, since it is larger than the sum of its proper divisors (1268557).

442604243 is a wasteful number, since it uses less digits than its factorization.

442604243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268556.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 442604243 is about 21038.1615879335. The cubic root of 442604243 is about 762.0881189671.

The spelling of 442604243 in words is "four hundred forty-two million, six hundred four thousand, two hundred forty-three".