15428448 has 96 divisors (see below), whose sum is σ = 51448320. Its totient is φ = 4406400.

The previous prime is 15428429. The next prime is 15428453. The reversal of 15428448 is 84482451.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4773 + ... + 7323.

It is an arithmetic number, because the mean of its divisors is an integer number (535920).

Almost surely, 2^15428448 is an apocalyptic number.

15428448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15428448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25724160).

15428448 is an abundant number, since it is smaller than the sum of its proper divisors (36019872).

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

15428448 is a wasteful number, since it uses less digits than its factorization.

15428448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577 (or 2563 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 15428448 is about 3927.9063125283. The cubic root of 15428448 is about 248.9472961469.

It can be divided in two parts, 15428 and 448, that added together give a square (15876 = 126²).

The spelling of 15428448 in words is "fifteen million, four hundred twenty-eight thousand, four hundred forty-eight".