16389480 has 64 divisors (see below), whose sum is σ = 49996800. Its totient is φ = 4296960.

The previous prime is 16389469. The next prime is 16389481. The reversal of 16389480 is 8498361.

16389480 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 (16389481) 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, 6201 + ... + 8439.

It is an arithmetic number, because the mean of its divisors is an integer number (781200).

Almost surely, 2^16389480 is an apocalyptic number.

16389480 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 16389480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24998400).

16389480 is an abundant number, since it is smaller than the sum of its proper divisors (33607320).

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

16389480 is a wasteful number, since it uses less digits than its factorization.

16389480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 16389480 is about 4048.3922734834. The cubic root of 16389480 is about 254.0124820782.

The spelling of 16389480 in words is "sixteen million, three hundred eighty-nine thousand, four hundred eighty".