15948320 has 48 divisors (see below), whose sum is σ = 37920960. Its totient is φ = 6338304.

The previous prime is 15948319. The next prime is 15948323. The reversal of 15948320 is 2384951.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (15948323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41891 + ... + 42269.

It is an arithmetic number, because the mean of its divisors is an integer number (790020).

Almost surely, 2^15948320 is an apocalyptic number.

15948320 is a gapful number since it is divisible by the number (10) 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 15948320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18960480).

15948320 is an abundant number, since it is smaller than the sum of its proper divisors (21972640).

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

15948320 is a wasteful number, since it uses less digits than its factorization.

15948320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 15948320 is about 3993.5347751084. The cubic root of 15948320 is about 251.7126143514.

The spelling of 15948320 in words is "fifteen million, nine hundred forty-eight thousand, three hundred twenty".