16243928 has 16 divisors (see below), whose sum is σ = 30646680. Its totient is φ = 8071488.

The previous prime is 16243921. The next prime is 16243933. The reversal of 16243928 is 82934261.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16243921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4925 + ... + 7532.

Almost surely, 2^16243928 is an apocalyptic number.

It is an amenable number.

16243928 is a deficient number, since it is larger than the sum of its proper divisors (14402752).

16243928 is a wasteful number, since it uses less digits than its factorization.

16243928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626 (or 12622 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 16243928 is about 4030.3756648729. The cubic root of 16243928 is about 253.2582987996.

It can be divided in two parts, 16243 and 928, that added together give a palindrome (17171).

The spelling of 16243928 in words is "sixteen million, two hundred forty-three thousand, nine hundred twenty-eight".