16272428 has 6 divisors (see below), whose sum is σ = 28476756. Its totient is φ = 8136212.

The previous prime is 16272343. The next prime is 16272433. The reversal of 16272428 is 82427261.

It is a junction number, because it is equal to n+sod(n) for n = 16272394 and 16272403.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2034050 + ... + 2034057.

It is an arithmetic number, because the mean of its divisors is an integer number (4746126).

Almost surely, 2^16272428 is an apocalyptic number.

It is an amenable number.

16272428 is a deficient number, since it is larger than the sum of its proper divisors (12204328).

16272428 is a wasteful number, since it uses less digits than its factorization.

16272428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068111 (or 4068109 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 16272428 is about 4033.9097659715. The cubic root of 16272428 is about 253.4063263041.

Adding to 16272428 its reverse (82427261), we get a palindrome (98699689).

The spelling of 16272428 in words is "sixteen million, two hundred seventy-two thousand, four hundred twenty-eight".