8634973 has 4 divisors (see below), whose sum is σ = 8698140. Its totient is φ = 8571808.

The previous prime is 8634971. The next prime is 8635021. The reversal of 8634973 is 3794368.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7064964 + 1570009 = 2658^2 + 1253^2 .

It is a cyclic number.

It is not a de Polignac number, because 8634973 - 2¹ = 8634971 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 (8634971) 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, 31378 + ... + 31651.

It is an arithmetic number, because the mean of its divisors is an integer number (2174535).

Almost surely, 2^8634973 is an apocalyptic number.

It is an amenable number.

8634973 is a deficient number, since it is larger than the sum of its proper divisors (63167).

8634973 is a wasteful number, since it uses less digits than its factorization.

8634973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63166.

The product of its digits is 108864, while the sum is 40.

The square root of 8634973 is about 2938.5324568567. The cubic root of 8634973 is about 205.1573093569.

The spelling of 8634973 in words is "eight million, six hundred thirty-four thousand, nine hundred seventy-three".