8943842 has 4 divisors (see below), whose sum is σ = 13415766. Its totient is φ = 4471920.

The previous prime is 8943833. The next prime is 8943859. The reversal of 8943842 is 2483498.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8814961 + 128881 = 2969^2 + 359^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8943796 and 8943805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2235959 + ... + 2235962.

Almost surely, 2^8943842 is an apocalyptic number.

8943842 is a deficient number, since it is larger than the sum of its proper divisors (4471924).

8943842 is a wasteful number, since it uses less digits than its factorization.

8943842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471923.

The product of its digits is 55296, while the sum is 38.

The square root of 8943842 is about 2990.6256870428. The cubic root of 8943842 is about 207.5748372822.

The spelling of 8943842 in words is "eight million, nine hundred forty-three thousand, eight hundred forty-two".