442442392 has 16 divisors (see below), whose sum is σ = 948090960. Its totient is φ = 189618144.

The previous prime is 442442389. The next prime is 442442401. The reversal of 442442392 is 293244244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3950323 + ... + 3950434.

It is an arithmetic number, because the mean of its divisors is an integer number (59255685).

Almost surely, 2^442442392 is an apocalyptic number.

It is an amenable number.

442442392 is an abundant number, since it is smaller than the sum of its proper divisors (505648568).

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

442442392 is a wasteful number, since it uses less digits than its factorization.

442442392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900770 (or 7900766 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 442442392 is about 21034.3146310974. The cubic root of 442442392 is about 761.9952144789.

The spelling of 442442392 in words is "four hundred forty-two million, four hundred forty-two thousand, three hundred ninety-two".