16814897 has 4 divisors (see below), whose sum is σ = 18343536. Its totient is φ = 15286260.

The previous prime is 16814891. The next prime is 16814929. The reversal of 16814897 is 79841861.

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 16814897 - 2⁸ = 16814641 is a prime.

It is a super-2 number, since 2×16814897² = 565481522241218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16814891) 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, 764303 + ... + 764324.

It is an arithmetic number, because the mean of its divisors is an integer number (4585884).

Almost surely, 2^16814897 is an apocalyptic number.

It is an amenable number.

16814897 is a deficient number, since it is larger than the sum of its proper divisors (1528639).

16814897 is a wasteful number, since it uses less digits than its factorization.

16814897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528638.

The product of its digits is 96768, while the sum is 44.

The square root of 16814897 is about 4100.5971516354. The cubic root of 16814897 is about 256.1915121720.

The spelling of 16814897 in words is "sixteen million, eight hundred fourteen thousand, eight hundred ninety-seven".