442803872 has 24 divisors (see below), whose sum is σ = 996309216. Its totient is φ = 189772992.

The previous prime is 442803863. The next prime is 442803877. The reversal of 442803872 is 278308244.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (442803877) 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, 988178 + ... + 988625.

It is an arithmetic number, because the mean of its divisors is an integer number (41512884).

Almost surely, 2^442803872 is an apocalyptic number.

It is an amenable number.

442803872 is an abundant number, since it is smaller than the sum of its proper divisors (553505344).

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

442803872 is a wasteful number, since it uses less digits than its factorization.

442803872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976820 (or 1976812 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 442803872 is about 21042.9055028055. The cubic root of 442803872 is about 762.2026773072.

The spelling of 442803872 in words is "four hundred forty-two million, eight hundred three thousand, eight hundred seventy-two".