16434479 has 4 divisors (see below), whose sum is σ = 16483584. Its totient is φ = 16385376.

The previous prime is 16434463. The next prime is 16434499. The reversal of 16434479 is 97443461.

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

It is a cyclic number.

It is not a de Polignac number, because 16434479 - 2⁴ = 16434463 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 (16434409) 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, 24047 + ... + 24720.

It is an arithmetic number, because the mean of its divisors is an integer number (4120896).

Almost surely, 2^16434479 is an apocalyptic number.

16434479 is a deficient number, since it is larger than the sum of its proper divisors (49105).

16434479 is an equidigital number, since it uses as much as digits as its factorization.

16434479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49104.

The product of its digits is 72576, while the sum is 38.

The square root of 16434479 is about 4053.9461022564. The cubic root of 16434479 is about 254.2447420926.

It can be divided in two parts, 164 and 34479, that added together give a palindrome (34643).

The spelling of 16434479 in words is "sixteen million, four hundred thirty-four thousand, four hundred seventy-nine".