15938648 has 32 divisors (see below), whose sum is σ = 33073920. Its totient is φ = 7140000.

The previous prime is 15938641. The next prime is 15938651. The reversal of 15938648 is 84683951.

15938648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 15938599 and 15938608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15938641) 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, 4973 + ... + 7523.

It is an arithmetic number, because the mean of its divisors is an integer number (1033560).

Almost surely, 2^15938648 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 15938648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16536960).

15938648 is an abundant number, since it is smaller than the sum of its proper divisors (17135272).

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

15938648 is a wasteful number, since it uses less digits than its factorization.

15938648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639 (or 2635 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 15938648 is about 3992.3236341760. The cubic root of 15938648 is about 251.6617196129.

The spelling of 15938648 in words is "fifteen million, nine hundred thirty-eight thousand, six hundred forty-eight".