16834609 has 9 divisors (see below), whose sum is σ = 18553899. Its totient is φ = 15263160.

The previous prime is 16834591. The next prime is 16834619. The reversal of 16834609 is 90643861.

The square root of 16834609 is 4103.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9150625 + 7683984 = 3025^2 + 2772^2 .

It is not a de Polignac number, because 16834609 - 2⁵ = 16834577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16834619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44947 + ... + 45319.

Almost surely, 2^16834609 is an apocalyptic number.

16834609 is the 4103-rd square number.

16834609 is the 2052-nd centered octagonal number.

It is an amenable number.

16834609 is a deficient number, since it is larger than the sum of its proper divisors (1719290).

16834609 is an frugal number, since it uses more digits than its factorization.

16834609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The cubic root of 16834609 is about 256.2915836541.

The spelling of 16834609 in words is "sixteen million, eight hundred thirty-four thousand, six hundred nine".