16028885 has 4 divisors (see below), whose sum is σ = 19234668. Its totient is φ = 12823104.

The previous prime is 16028869. The next prime is 16028899. The reversal of 16028885 is 58882061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58882061 = 7 ⋅8411723.

It can be written as a sum of positive squares in 2 ways, for example, as 8532241 + 7496644 = 2921^2 + 2738^2 .

It is a cyclic number.

It is not a de Polignac number, because 16028885 - 2⁴ = 16028869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1602884 + ... + 1602893.

It is an arithmetic number, because the mean of its divisors is an integer number (4808667).

Almost surely, 2^16028885 is an apocalyptic number.

It is an amenable number.

16028885 is a deficient number, since it is larger than the sum of its proper divisors (3205783).

16028885 is an equidigital number, since it uses as much as digits as its factorization.

16028885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205782.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 16028885 is about 4003.6089968927. The cubic root of 16028885 is about 252.1357555678.

The spelling of 16028885 in words is "sixteen million, twenty-eight thousand, eight hundred eighty-five".