8554891 has 4 divisors (see below), whose sum is σ = 8630712. Its totient is φ = 8479072.

The previous prime is 8554877. The next prime is 8554901. The reversal of 8554891 is 1984558.

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

It is a cyclic number.

It is not a de Polignac number, because 8554891 - 2⁹ = 8554379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8551891) 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, 37741 + ... + 37966.

It is an arithmetic number, because the mean of its divisors is an integer number (2157678).

Almost surely, 2^8554891 is an apocalyptic number.

8554891 is a deficient number, since it is larger than the sum of its proper divisors (75821).

8554891 is a wasteful number, since it uses less digits than its factorization.

8554891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75820.

The product of its digits is 57600, while the sum is 40.

The square root of 8554891 is about 2924.8745272233. The cubic root of 8554891 is about 204.5211189664.

The spelling of 8554891 in words is "eight million, five hundred fifty-four thousand, eight hundred ninety-one".