16834489 has 6 divisors (see below), whose sum is σ = 19583034. Its totient is φ = 14429520.

The previous prime is 16834469. The next prime is 16834511. The reversal of 16834489 is 98443861.

It can be written as a sum of positive squares in only one way, i.e., 15642025 + 1192464 = 3955^2 + 1092^2 .

It is not a de Polignac number, because 16834489 - 2²¹ = 14737337 is a prime.

It is a super-2 number, since 2×16834489² = 566800039782242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16834469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171732 + ... + 171829.

It is an arithmetic number, because the mean of its divisors is an integer number (3263839).

Almost surely, 2^16834489 is an apocalyptic number.

It is an amenable number.

16834489 is a deficient number, since it is larger than the sum of its proper divisors (2748545).

16834489 is an equidigital number, since it uses as much as digits as its factorization.

16834489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343575 (or 343568 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 16834489 is about 4102.9853765277. The cubic root of 16834489 is about 256.2909746891.

The spelling of 16834489 in words is "sixteen million, eight hundred thirty-four thousand, four hundred eighty-nine".