16349928 has 48 divisors (see below), whose sum is σ = 47551680. Its totient is φ = 4671072.

The previous prime is 16349897. The next prime is 16349947. The reversal of 16349928 is 82994361.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 16349928.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5776 + ... + 8127.

It is an arithmetic number, because the mean of its divisors is an integer number (990660).

Almost surely, 2^16349928 is an apocalyptic number.

It is an amenable number.

16349928 is an abundant number, since it is smaller than the sum of its proper divisors (31201752).

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

16349928 is a wasteful number, since it uses less digits than its factorization.

16349928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13926 (or 13915 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 16349928 is about 4043.5044206727. The cubic root of 16349928 is about 253.8079851632.

The spelling of 16349928 in words is "sixteen million, three hundred forty-nine thousand, nine hundred twenty-eight".