442983860 has 48 divisors (see below), whose sum is σ = 1068258240. Its totient is φ = 152605440.

The previous prime is 442983857. The next prime is 442983881. The reversal of 442983860 is 68389244.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48809 + ... + 57168.

It is an arithmetic number, because the mean of its divisors is an integer number (22255380).

Almost surely, 2^442983860 is an apocalyptic number.

It is an amenable number.

442983860 is an abundant number, since it is smaller than the sum of its proper divisors (625274380).

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

442983860 is a wasteful number, since it uses less digits than its factorization.

442983860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106016 (or 106014 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 442983860 is about 21047.1817590859. The cubic root of 442983860 is about 762.3059350252.

The spelling of 442983860 in words is "four hundred forty-two million, nine hundred eighty-three thousand, eight hundred sixty".