8920843 has 4 divisors (see below), whose sum is σ = 8932680. Its totient is φ = 8909008.

The previous prime is 8920837. The next prime is 8920853. The reversal of 8920843 is 3480298.

8920843 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8920843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8920799 and 8920808.

It is not an unprimeable number, because it can be changed into a prime (8920853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4705 + ... + 6322.

It is an arithmetic number, because the mean of its divisors is an integer number (2233170).

Almost surely, 2^8920843 is an apocalyptic number.

8920843 is the 1597-th centered heptagonal number.

8920843 is a deficient number, since it is larger than the sum of its proper divisors (11837).

8920843 is a wasteful number, since it uses less digits than its factorization.

8920843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11836.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 8920843 is about 2986.7780299179. The cubic root of 8920843 is about 207.3967590153.

The spelling of 8920843 in words is "eight million, nine hundred twenty thousand, eight hundred forty-three".