16389488 has 20 divisors (see below), whose sum is σ = 31820880. Its totient is φ = 8177664.

The previous prime is 16389481. The next prime is 16389491. The reversal of 16389488 is 88498361.

16389488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 10928 + ... + 12336.

It is an arithmetic number, because the mean of its divisors is an integer number (1591044).

Almost surely, 2^16389488 is an apocalyptic number.

It is an amenable number.

16389488 is a deficient number, since it is larger than the sum of its proper divisors (15431392).

16389488 is a wasteful number, since it uses less digits than its factorization.

16389488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2138 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 16389488 is about 4048.3932615298. The cubic root of 16389488 is about 254.0125234076.

The spelling of 16389488 in words is "sixteen million, three hundred eighty-nine thousand, four hundred eighty-eight".