16897232 has 80 divisors (see below), whose sum is σ = 39045120. Its totient is φ = 6998400.

The previous prime is 16897211. The next prime is 16897241. The reversal of 16897232 is 23279861.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103583 + ... + 103745.

It is an arithmetic number, because the mean of its divisors is an integer number (488064).

Almost surely, 2^16897232 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 16897232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19522560).

16897232 is an abundant number, since it is smaller than the sum of its proper divisors (22147888).

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

16897232 is a wasteful number, since it uses less digits than its factorization.

16897232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 226 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 16897232 is about 4110.6242834878. The cubic root of 16897232 is about 256.6089831204.

The spelling of 16897232 in words is "sixteen million, eight hundred ninety-seven thousand, two hundred thirty-two".