16927297 has 4 divisors (see below), whose sum is σ = 17094996. Its totient is φ = 16759600.

The previous prime is 16927289. The next prime is 16927303. The reversal of 16927297 is 79272961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79272961 = 5749 ⋅13789.

It can be written as a sum of positive squares in 2 ways, for example, as 10732176 + 6195121 = 3276^2 + 2489^2 .

It is a cyclic number.

It is not a de Polignac number, because 16927297 - 2³ = 16927289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16927247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83698 + ... + 83899.

It is an arithmetic number, because the mean of its divisors is an integer number (4273749).

Almost surely, 2^16927297 is an apocalyptic number.

It is an amenable number.

16927297 is a deficient number, since it is larger than the sum of its proper divisors (167699).

16927297 is a wasteful number, since it uses less digits than its factorization.

16927297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167698.

The product of its digits is 95256, while the sum is 43.

The square root of 16927297 is about 4114.2796453328. The cubic root of 16927297 is about 256.7610864924.

The spelling of 16927297 in words is "sixteen million, nine hundred twenty-seven thousand, two hundred ninety-seven".