16923984 has 160 divisors (see below), whose sum is σ = 57615360. Its totient is φ = 4147200.

The previous prime is 16923979. The next prime is 16924001. The reversal of 16923984 is 48932961.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70104 + ... + 70344.

It is an arithmetic number, because the mean of its divisors is an integer number (360096).

Almost surely, 2^16923984 is an apocalyptic number.

16923984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16923984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28807680).

16923984 is an abundant number, since it is smaller than the sum of its proper divisors (40691376).

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

16923984 is a wasteful number, since it uses less digits than its factorization.

16923984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 283 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 16923984 is about 4113.8770035090. The cubic root of 16923984 is about 256.7443343596.

The spelling of 16923984 in words is "sixteen million, nine hundred twenty-three thousand, nine hundred eighty-four".