16984045 has 16 divisors (see below), whose sum is σ = 22487472. Its totient is φ = 12234240.

The previous prime is 16983997. The next prime is 16984049. The reversal of 16984045 is 54048961.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2223081 + 14760964 = 1491^2 + 3842^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16984045 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16983995 and 16984013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16984049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522 + ... + 5851.

It is an arithmetic number, because the mean of its divisors is an integer number (1405467).

Almost surely, 2^16984045 is an apocalyptic number.

It is an amenable number.

16984045 is a deficient number, since it is larger than the sum of its proper divisors (5503427).

16984045 is a wasteful number, since it uses less digits than its factorization.

16984045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 16984045 is about 4121.1703434825. The cubic root of 16984045 is about 257.0476931074.

The spelling of 16984045 in words is "sixteen million, nine hundred eighty-four thousand, forty-five".