8940842 has 4 divisors (see below), whose sum is σ = 13411266. Its totient is φ = 4470420.

The previous prime is 8940839. The next prime is 8940863. The reversal of 8940842 is 2480498.

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., 5909761 + 3031081 = 2431^2 + 1741^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2235209 + ... + 2235212.

Almost surely, 2^8940842 is an apocalyptic number.

8940842 is a deficient number, since it is larger than the sum of its proper divisors (4470424).

8940842 is a wasteful number, since it uses less digits than its factorization.

8940842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470423.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 8940842 is about 2990.1240776931. The cubic root of 8940842 is about 207.5516259989.

The spelling of 8940842 in words is "eight million, nine hundred forty thousand, eight hundred forty-two".