442574946 has 24 divisors (see below), whose sum is σ = 1046086704. Its totient is φ = 134113560.

The previous prime is 442574939. The next prime is 442574953. The reversal of 442574946 is 649475244.

It is an interprime number because it is at equal distance from previous prime (442574939) and next prime (442574953).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1117416 + ... + 1117811.

It is an arithmetic number, because the mean of its divisors is an integer number (43586946).

Almost surely, 2^442574946 is an apocalyptic number.

442574946 is an abundant number, since it is smaller than the sum of its proper divisors (603511758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442574946 is a wasteful number, since it uses less digits than its factorization.

442574946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235246 (or 2235243 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 442574946 is about 21037.4652940890. The cubic root of 442574946 is about 762.0713038035.

The spelling of 442574946 in words is "four hundred forty-two million, five hundred seventy-four thousand, nine hundred forty-six".