16806297 has 4 divisors (see below), whose sum is σ = 22408400. Its totient is φ = 11204196.

The previous prime is 16806289. The next prime is 16806301. The reversal of 16806297 is 79260861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16806297 - 2³ = 16806289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16806277) 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, 2801047 + ... + 2801052.

It is an arithmetic number, because the mean of its divisors is an integer number (5602100).

Almost surely, 2^16806297 is an apocalyptic number.

It is an amenable number.

16806297 is a deficient number, since it is larger than the sum of its proper divisors (5602103).

16806297 is an equidigital number, since it uses as much as digits as its factorization.

16806297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602102.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 16806297 is about 4099.5483897620. The cubic root of 16806297 is about 256.1478282345.

The spelling of 16806297 in words is "sixteen million, eight hundred six thousand, two hundred ninety-seven".