16897433 has 8 divisors (see below), whose sum is σ = 20151168. Its totient is φ = 13853664.

The previous prime is 16897417. The next prime is 16897457. The reversal of 16897433 is 33479861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16897433 - 2⁴ = 16897417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16897483) 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 7 ways as a sum of consecutive naturals, for example, 52316 + ... + 52637.

It is an arithmetic number, because the mean of its divisors is an integer number (2518896).

Almost surely, 2^16897433 is an apocalyptic number.

It is an amenable number.

16897433 is a deficient number, since it is larger than the sum of its proper divisors (3253735).

16897433 is a wasteful number, since it uses less digits than its factorization.

16897433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104983.

The product of its digits is 108864, while the sum is 41.

The square root of 16897433 is about 4110.6487322563. The cubic root of 16897433 is about 256.6100006086.

The spelling of 16897433 in words is "sixteen million, eight hundred ninety-seven thousand, four hundred thirty-three".