16884085 has 4 divisors (see below), whose sum is σ = 20260908. Its totient is φ = 13507264.

The previous prime is 16884083. The next prime is 16884107. The reversal of 16884085 is 58048861.

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 11229201 + 5654884 = 3351^2 + 2378^2 .

It is a cyclic number.

It is not a de Polignac number, because 16884085 - 2¹ = 16884083 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16884083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688404 + ... + 1688413.

It is an arithmetic number, because the mean of its divisors is an integer number (5065227).

Almost surely, 2^16884085 is an apocalyptic number.

It is an amenable number.

16884085 is a deficient number, since it is larger than the sum of its proper divisors (3376823).

16884085 is an equidigital number, since it uses as much as digits as its factorization.

16884085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376822.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 16884085 is about 4109.0248234831. The cubic root of 16884085 is about 256.5424137628.

The spelling of 16884085 in words is "sixteen million, eight hundred eighty-four thousand, eighty-five".