8617973 has 24 divisors (see below), whose sum is σ = 10993248. Its totient is φ = 6695136.

The previous prime is 8617949. The next prime is 8617991. The reversal of 8617973 is 3797168.

It is not a de Polignac number, because 8617973 - 2¹⁶ = 8552437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8617973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8617933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52790 + ... + 52952.

It is an arithmetic number, because the mean of its divisors is an integer number (458052).

Almost surely, 2^8617973 is an apocalyptic number.

8617973 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

8617973 is a deficient number, since it is larger than the sum of its proper divisors (2375275).

8617973 is a wasteful number, since it uses less digits than its factorization.

8617973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 266 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 8617973 is about 2935.6384314149. The cubic root of 8617973 is about 205.0225872395.

The spelling of 8617973 in words is "eight million, six hundred seventeen thousand, nine hundred seventy-three".