843968042 has 8 divisors (see below), whose sum is σ = 1266106116. Its totient is φ = 421932672.

The previous prime is 843967991. The next prime is 843968051. The reversal of 843968042 is 240869348.

It can be written as a sum of positive squares in 2 ways, for example, as 832264801 + 11703241 = 28849^2 + 3421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 843967984 and 843968002.

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, 8 + ... + 41084.

Almost surely, 2^843968042 is an apocalyptic number.

843968042 is a deficient number, since it is larger than the sum of its proper divisors (422138074).

843968042 is a wasteful number, since it uses less digits than its factorization.

843968042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51352.

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

The square root of 843968042 is about 29051.1280675983. The cubic root of 843968042 is about 945.0221776567.

The spelling of 843968042 in words is "eight hundred forty-three million, nine hundred sixty-eight thousand, forty-two".