15984428 has 6 divisors (see below), whose sum is σ = 27972756. Its totient is φ = 7992212.

The previous prime is 15984421. The next prime is 15984439. The reversal of 15984428 is 82448951.

It is not an unprimeable number, because it can be changed into a prime (15984421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1998050 + ... + 1998057.

It is an arithmetic number, because the mean of its divisors is an integer number (4662126).

Almost surely, 2^15984428 is an apocalyptic number.

It is an amenable number.

15984428 is a deficient number, since it is larger than the sum of its proper divisors (11988328).

15984428 is a wasteful number, since it uses less digits than its factorization.

15984428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996111 (or 3996109 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 15984428 is about 3998.0530261616. The cubic root of 15984428 is about 251.9024355668.

The spelling of 15984428 in words is "fifteen million, nine hundred eighty-four thousand, four hundred twenty-eight".