16828985 has 16 divisors (see below), whose sum is σ = 21427200. Its totient is φ = 12661440.

The previous prime is 16828967. The next prime is 16828991. The reversal of 16828985 is 58982861.

It is not a de Polignac number, because 16828985 - 2¹⁰ = 16827961 is a prime.

It is a super-2 number, since 2×16828985² = 566429472260450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5816 + ... + 8214.

It is an arithmetic number, because the mean of its divisors is an integer number (1339200).

Almost surely, 2^16828985 is an apocalyptic number.

It is an amenable number.

16828985 is a deficient number, since it is larger than the sum of its proper divisors (4598215).

16828985 is a wasteful number, since it uses less digits than its factorization.

16828985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488.

The product of its digits is 276480, while the sum is 47.

The square root of 16828985 is about 4102.3145905696. The cubic root of 16828985 is about 256.2630403834.

The spelling of 16828985 in words is "sixteen million, eight hundred twenty-eight thousand, nine hundred eighty-five".