8959973 has 4 divisors (see below), whose sum is σ = 9774528. Its totient is φ = 8145420.

The previous prime is 8959931. The next prime is 8959981. The reversal of 8959973 is 3799598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8959973 is a prime.

It is a super-2 number, since 2×8959973² = 160562232321458, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8959913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407261 + ... + 407282.

It is an arithmetic number, because the mean of its divisors is an integer number (2443632).

Almost surely, 2^8959973 is an apocalyptic number.

It is an amenable number.

8959973 is a deficient number, since it is larger than the sum of its proper divisors (814555).

8959973 is a wasteful number, since it uses less digits than its factorization.

8959973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814554.

The product of its digits is 612360, while the sum is 50.

The square root of 8959973 is about 2993.3213993823. The cubic root of 8959973 is about 207.6995554468.

The spelling of 8959973 in words is "eight million, nine hundred fifty-nine thousand, nine hundred seventy-three".