442589998 has 16 divisors (see below), whose sum is σ = 680734656. Its totient is φ = 215688960.

The previous prime is 442589977. The next prime is 442590017. The reversal of 442589998 is 899985244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114790 + ... + 118582.

It is an arithmetic number, because the mean of its divisors is an integer number (42545916).

Almost surely, 2^442589998 is an apocalyptic number.

442589998 is a deficient number, since it is larger than the sum of its proper divisors (238144658).

442589998 is a wasteful number, since it uses less digits than its factorization.

442589998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259.

The product of its digits is 7464960, while the sum is 58.

The square root of 442589998 is about 21037.8230337647. The cubic root of 442589998 is about 762.0799430689.

The spelling of 442589998 in words is "four hundred forty-two million, five hundred eighty-nine thousand, nine hundred ninety-eight".