16847459 has 4 divisors (see below), whose sum is σ = 17838504. Its totient is φ = 15856416.

The previous prime is 16847449. The next prime is 16847473. The reversal of 16847459 is 95474861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95474861 = 283 ⋅337367.

It is a cyclic number.

It is not a de Polignac number, because 16847459 - 2²⁰ = 15798883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16847449) 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, 495497 + ... + 495530.

It is an arithmetic number, because the mean of its divisors is an integer number (4459626).

Almost surely, 2^16847459 is an apocalyptic number.

16847459 is a deficient number, since it is larger than the sum of its proper divisors (991045).

16847459 is an equidigital number, since it uses as much as digits as its factorization.

16847459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991044.

The product of its digits is 241920, while the sum is 44.

The square root of 16847459 is about 4104.5656286628. The cubic root of 16847459 is about 256.3567769167.

The spelling of 16847459 in words is "sixteen million, eight hundred forty-seven thousand, four hundred fifty-nine".