15381384 has 16 divisors (see below), whose sum is σ = 38453520. Its totient is φ = 5127120.

The previous prime is 15381371. The next prime is 15381389. The reversal of 15381384 is 48318351.

15381384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (15381389) 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, 320422 + ... + 320469.

It is an arithmetic number, because the mean of its divisors is an integer number (2403345).

Almost surely, 2^15381384 is an apocalyptic number.

It is an amenable number.

15381384 is an abundant number, since it is smaller than the sum of its proper divisors (23072136).

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

15381384 is a wasteful number, since it uses less digits than its factorization.

15381384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640900 (or 640896 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 15381384 is about 3921.9107588011. The cubic root of 15381384 is about 248.6939029921.

The spelling of 15381384 in words is "fifteen million, three hundred eighty-one thousand, three hundred eighty-four".