8946143 has 4 divisors (see below), whose sum is σ = 8953200. Its totient is φ = 8939088.

The previous prime is 8946139. The next prime is 8946151. The reversal of 8946143 is 3416498.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8946143 - 2² = 8946139 is a prime.

It is a super-3 number, since 3×8946143³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8946173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043 + ... + 4356.

It is an arithmetic number, because the mean of its divisors is an integer number (2238300).

Almost surely, 2^8946143 is an apocalyptic number.

8946143 is a deficient number, since it is larger than the sum of its proper divisors (7057).

8946143 is a wasteful number, since it uses less digits than its factorization.

8946143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056.

The product of its digits is 20736, while the sum is 35.

The square root of 8946143 is about 2991.0103644087. The cubic root of 8946143 is about 207.5926368194.

The spelling of 8946143 in words is "eight million, nine hundred forty-six thousand, one hundred forty-three".