16984375 has 14 divisors (see below), whose sum is σ = 21249728. Its totient is φ = 13575000.

The previous prime is 16984351. The next prime is 16984379. The reversal of 16984375 is 57348961.

It is not a de Polignac number, because 16984375 - 2¹⁵ = 16951607 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 (16984379) 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 13 ways as a sum of consecutive naturals, for example, 15082 + ... + 16168.

Almost surely, 2^16984375 is an apocalyptic number.

16984375 is a deficient number, since it is larger than the sum of its proper divisors (4265353).

16984375 is an frugal number, since it uses more digits than its factorization.

16984375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1092 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 16984375 is about 4121.2103804586. The cubic root of 16984375 is about 257.0493579089.

The spelling of 16984375 in words is "sixteen million, nine hundred eighty-four thousand, three hundred seventy-five".