16489479 has 4 divisors (see below), whose sum is σ = 21985976. Its totient is φ = 10992984.

The previous prime is 16489471. The next prime is 16489483. The reversal of 16489479 is 97498461.

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

It is not a de Polignac number, because 16489479 - 2³ = 16489471 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 (16489471) 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, 2748244 + ... + 2748249.

It is an arithmetic number, because the mean of its divisors is an integer number (5496494).

Almost surely, 2^16489479 is an apocalyptic number.

16489479 is a deficient number, since it is larger than the sum of its proper divisors (5496497).

16489479 is an equidigital number, since it uses as much as digits as its factorization.

16489479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496496.

The product of its digits is 435456, while the sum is 48.

The square root of 16489479 is about 4060.7239502335. The cubic root of 16489479 is about 254.5280466953.

The spelling of 16489479 in words is "sixteen million, four hundred eighty-nine thousand, four hundred seventy-nine".