16884220 has 24 divisors (see below), whose sum is σ = 35633808. Its totient is φ = 6720000.

The previous prime is 16884211. The next prime is 16884227. The reversal of 16884220 is 2248861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16884227) 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, 2220 + ... + 6220.

It is an arithmetic number, because the mean of its divisors is an integer number (1484742).

Almost surely, 2^16884220 is an apocalyptic number.

16884220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16884220 is an abundant number, since it is smaller than the sum of its proper divisors (18749588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16884220 is a wasteful number, since it uses less digits than its factorization.

16884220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221 (or 4219 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 16884220 is about 4109.0412507056. The cubic root of 16884220 is about 256.5430975059.

The spelling of 16884220 in words is "sixteen million, eight hundred eighty-four thousand, two hundred twenty".