16389336 has 32 divisors (see below), whose sum is σ = 41103360. Its totient is φ = 5445792.

The previous prime is 16389319. The next prime is 16389337. The reversal of 16389336 is 63398361.

16389336 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16389336² = 537220669041792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16389294 and 16389303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16389337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8301 + ... + 10083.

It is an arithmetic number, because the mean of its divisors is an integer number (1284480).

Almost surely, 2^16389336 is an apocalyptic number.

It is an amenable number.

16389336 is an abundant number, since it is smaller than the sum of its proper divisors (24714024).

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

16389336 is a wasteful number, since it uses less digits than its factorization.

16389336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175 (or 2171 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 16389336 is about 4048.3744886065. The cubic root of 16389336 is about 254.0117381477.

The spelling of 16389336 in words is "sixteen million, three hundred eighty-nine thousand, three hundred thirty-six".