16397000 has 64 divisors (see below), whose sum is σ = 40435200. Its totient is φ = 6206400.

The previous prime is 16396997. The next prime is 16397009. The reversal of 16397000 is 79361.

It is a happy number.

16397000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16397009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18569 + ... + 19431.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

Almost surely, 2^16397000 is an apocalyptic number.

16397000 is a gapful number since it is divisible by the number (10) 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 16397000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20217600).

16397000 is an abundant number, since it is smaller than the sum of its proper divisors (24038200).

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

16397000 is a wasteful number, since it uses less digits than its factorization.

16397000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 16397000 is about 4049.3209307241. The cubic root of 16397000 is about 254.0513257306.

The spelling of 16397000 in words is "sixteen million, three hundred ninety-seven thousand".