16898873 has 4 divisors (see below), whose sum is σ = 16915428. Its totient is φ = 16882320.

The previous prime is 16898821. The next prime is 16898879. The reversal of 16898873 is 37889861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11343424 + 5555449 = 3368^2 + 2357^2 .

It is a cyclic number.

It is not a de Polignac number, because 16898873 - 2¹² = 16894777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16898879) 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, 6638 + ... + 8823.

It is an arithmetic number, because the mean of its divisors is an integer number (4228857).

Almost surely, 2^16898873 is an apocalyptic number.

It is an amenable number.

16898873 is a deficient number, since it is larger than the sum of its proper divisors (16555).

16898873 is a wasteful number, since it uses less digits than its factorization.

16898873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16554.

The product of its digits is 580608, while the sum is 50.

The square root of 16898873 is about 4110.8238833596. The cubic root of 16898873 is about 256.6172898401.

It can be divided in two parts, 16898 and 873, that added together give a palindrome (17771).

The spelling of 16898873 in words is "sixteen million, eight hundred ninety-eight thousand, eight hundred seventy-three".