16886479 has 4 divisors (see below), whose sum is σ = 17138584. Its totient is φ = 16634376.

The previous prime is 16886431. The next prime is 16886503. The reversal of 16886479 is 97468861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97468861 = 7 ⋅13924123.

It is a cyclic number.

It is not a de Polignac number, because 16886479 - 2¹⁹ = 16362191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16886279) 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, 125952 + ... + 126085.

It is an arithmetic number, because the mean of its divisors is an integer number (4284646).

Almost surely, 2^16886479 is an apocalyptic number.

16886479 is a deficient number, since it is larger than the sum of its proper divisors (252105).

16886479 is an equidigital number, since it uses as much as digits as its factorization.

16886479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252104.

The product of its digits is 580608, while the sum is 49.

The square root of 16886479 is about 4109.3161231524. The cubic root of 16886479 is about 256.5545382677.

The spelling of 16886479 in words is "sixteen million, eight hundred eighty-six thousand, four hundred seventy-nine".