15428384 has 48 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 7148544.

The previous prime is 15428383. The next prime is 15428393. The reversal of 15428384 is 48382451.

15428384 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 (15428383) 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, 42797 + ... + 43155.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^15428384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15428384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16329600).

15428384 is an abundant number, since it is smaller than the sum of its proper divisors (17230816).

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

15428384 is a wasteful number, since it uses less digits than its factorization.

15428384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 457 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 15428384 is about 3927.8981656861. The cubic root of 15428384 is about 248.9469519202.

The spelling of 15428384 in words is "fifteen million, four hundred twenty-eight thousand, three hundred eighty-four".