442936972 has 12 divisors (see below), whose sum is σ = 820736280. Its totient is φ = 208440896.

The previous prime is 442936931. The next prime is 442936993. The reversal of 442936972 is 279639244.

It is a super-2 number, since 2×442936972² = 392386322329057568, which contains 22 as substring.

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, 3256822 + ... + 3256957.

It is an arithmetic number, because the mean of its divisors is an integer number (68394690).

Almost surely, 2^442936972 is an apocalyptic number.

It is an amenable number.

442936972 is a deficient number, since it is larger than the sum of its proper divisors (377799308).

442936972 is a wasteful number, since it uses less digits than its factorization.

442936972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513800 (or 6513798 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 442936972 is about 21046.0678512638. The cubic root of 442936972 is about 762.2790384382.

The spelling of 442936972 in words is "four hundred forty-two million, nine hundred thirty-six thousand, nine hundred seventy-two".