8906143 has 4 divisors (see below), whose sum is σ = 9123408. Its totient is φ = 8688880.

The previous prime is 8906137. The next prime is 8906153. The reversal of 8906143 is 3416098.

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 8906143 - 2⁵ = 8906111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8906123) 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, 108571 + ... + 108652.

It is an arithmetic number, because the mean of its divisors is an integer number (2280852).

Almost surely, 2^8906143 is an apocalyptic number.

8906143 is a deficient number, since it is larger than the sum of its proper divisors (217265).

8906143 is a wasteful number, since it uses less digits than its factorization.

8906143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217264.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8906143 is about 2984.3161695772. The cubic root of 8906143 is about 207.2827784387.

The spelling of 8906143 in words is "eight million, nine hundred six thousand, one hundred forty-three".