16028297 has 6 divisors (see below), whose sum is σ = 16988634. Its totient is φ = 15069920.

The previous prime is 16028291. The next prime is 16028317. The reversal of 16028297 is 79282061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15085456 + 942841 = 3884^2 + 971^2 .

It is not a de Polignac number, because 16028297 - 2⁴ = 16028281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16028291) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 16022 + ... + 16992.

It is an arithmetic number, because the mean of its divisors is an integer number (2831439).

Almost surely, 2^16028297 is an apocalyptic number.

16028297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16028297 is a deficient number, since it is larger than the sum of its proper divisors (960337).

16028297 is an frugal number, since it uses more digits than its factorization.

16028297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 16028297 is about 4003.5355624747. The cubic root of 16028297 is about 252.1326724331.

The spelling of 16028297 in words is "sixteen million, twenty-eight thousand, two hundred ninety-seven".