15968428 has 24 divisors (see below), whose sum is σ = 32345600. Its totient is φ = 6756048.

The previous prime is 15968413. The next prime is 15968429. The reversal of 15968428 is 82486951.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15968429) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1398 + ... + 5821.

Almost surely, 2^15968428 is an apocalyptic number.

It is an amenable number.

15968428 is an abundant number, since it is smaller than the sum of its proper divisors (16377172).

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

15968428 is a wasteful number, since it uses less digits than its factorization.

15968428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7309 (or 7307 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 15968428 is about 3996.0515512190. The cubic root of 15968428 is about 251.8183582280.

The spelling of 15968428 in words is "fifteen million, nine hundred sixty-eight thousand, four hundred twenty-eight".