16389384 has 32 divisors (see below), whose sum is σ = 44699040. Its totient is φ = 4966400.

The previous prime is 16389383. The next prime is 16389403. The reversal of 16389384 is 48398361.

It is a happy number.

It is a super-2 number, since 2×16389384² = 537223815798912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16389383) 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, 30777 + ... + 31304.

It is an arithmetic number, because the mean of its divisors is an integer number (1396845).

Almost surely, 2^16389384 is an apocalyptic number.

It is an amenable number.

16389384 is an abundant number, since it is smaller than the sum of its proper divisors (28309656).

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

16389384 is a wasteful number, since it uses less digits than its factorization.

16389384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62101 (or 62097 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 16389384 is about 4048.3804169075. The cubic root of 16389384 is about 254.0119861250.

The spelling of 16389384 in words is "sixteen million, three hundred eighty-nine thousand, three hundred eighty-four".