15648396 has 12 divisors (see below), whose sum is σ = 36512952. Its totient is φ = 5216128.

The previous prime is 15648389. The next prime is 15648407. The reversal of 15648396 is 69384651.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 652005 + ... + 652028.

It is an arithmetic number, because the mean of its divisors is an integer number (3042746).

Almost surely, 2^15648396 is an apocalyptic number.

It is an amenable number.

15648396 is an abundant number, since it is smaller than the sum of its proper divisors (20864556).

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

15648396 is a wasteful number, since it uses less digits than its factorization.

15648396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304040 (or 1304038 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 15648396 is about 3955.8053541599. The cubic root of 15648396 is about 250.1247164396.

The spelling of 15648396 in words is "fifteen million, six hundred forty-eight thousand, three hundred ninety-six".