16864973 has 8 divisors (see below), whose sum is σ = 17249760. Its totient is φ = 16483600.

The previous prime is 16864943. The next prime is 16864993. The reversal of 16864973 is 37946861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16864973 - 2⁶ = 16864909 is a prime.

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 (16864943) 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 7 ways as a sum of consecutive naturals, for example, 10898 + ... + 12348.

It is an arithmetic number, because the mean of its divisors is an integer number (2156220).

Almost surely, 2^16864973 is an apocalyptic number.

It is an amenable number.

16864973 is a deficient number, since it is larger than the sum of its proper divisors (384787).

16864973 is a wasteful number, since it uses less digits than its factorization.

16864973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707.

The product of its digits is 217728, while the sum is 44.

The square root of 16864973 is about 4106.6985523654. The cubic root of 16864973 is about 256.4455791839.

The spelling of 16864973 in words is "sixteen million, eight hundred sixty-four thousand, nine hundred seventy-three".