15332448 has 48 divisors (see below), whose sum is σ = 40944960. Its totient is φ = 5022336.

The previous prime is 15332431. The next prime is 15332459. The reversal of 15332448 is 84423351.

15332448 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 tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4311 + ... + 7017.

It is an arithmetic number, because the mean of its divisors is an integer number (853020).

Almost surely, 2^15332448 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 15332448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20472480).

15332448 is an abundant number, since it is smaller than the sum of its proper divisors (25612512).

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

15332448 is a wasteful number, since it uses less digits than its factorization.

15332448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779 (or 2771 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 15332448 is about 3915.6669929911. Note that the first 3 decimals coincide. The cubic root of 15332448 is about 248.4298822315.

Adding to 15332448 its reverse (84423351), we get a palindrome (99755799).

The spelling of 15332448 in words is "fifteen million, three hundred thirty-two thousand, four hundred forty-eight".