16297984 has 52 divisors (see below), whose sum is σ = 34205616. Its totient is φ = 7749632.

The previous prime is 16297973. The next prime is 16297987. The reversal of 16297984 is 48979261.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (16297987) 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, 94122 + ... + 94294.

Almost surely, 2^16297984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16297984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17102808).

16297984 is an abundant number, since it is smaller than the sum of its proper divisors (17907632).

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

16297984 is an equidigital number, since it uses as much as digits as its factorization.

16297984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 198 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 16297984 is about 4037.0761697050. The cubic root of 16297984 is about 253.5389159172.

The spelling of 16297984 in words is "sixteen million, two hundred ninety-seven thousand, nine hundred eighty-four".