16484639 has 4 divisors (see below), whose sum is σ = 16835424. Its totient is φ = 16133856.

The previous prime is 16484627. The next prime is 16484681. The reversal of 16484639 is 93648461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93648461 = 17 ⋅5508733.

It is a cyclic number.

It is not a de Polignac number, because 16484639 - 2⁴ = 16484623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16484596 and 16484605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16484239) 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, 175322 + ... + 175415.

It is an arithmetic number, because the mean of its divisors is an integer number (4208856).

Almost surely, 2^16484639 is an apocalyptic number.

16484639 is a deficient number, since it is larger than the sum of its proper divisors (350785).

16484639 is an equidigital number, since it uses as much as digits as its factorization.

16484639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350784.

The product of its digits is 124416, while the sum is 41.

The square root of 16484639 is about 4060.1279536488. The cubic root of 16484639 is about 254.5031411925.

The spelling of 16484639 in words is "sixteen million, four hundred eighty-four thousand, six hundred thirty-nine".