16735489 has 4 divisors (see below), whose sum is σ = 16743940. Its totient is φ = 16727040.

The previous prime is 16735457. The next prime is 16735493. The reversal of 16735489 is 98453761.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7884864 + 8850625 = 2808^2 + 2975^2 .

It is a cyclic number.

It is not a de Polignac number, because 16735489 - 2⁵ = 16735457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16735189) 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, 529 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (4185985).

Almost surely, 2^16735489 is an apocalyptic number.

It is an amenable number.

16735489 is a deficient number, since it is larger than the sum of its proper divisors (8451).

16735489 is an equidigital number, since it uses as much as digits as its factorization.

16735489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450.

The product of its digits is 181440, while the sum is 43.

The square root of 16735489 is about 4090.9032010059. The cubic root of 16735489 is about 255.7875893083.

The spelling of 16735489 in words is "sixteen million, seven hundred thirty-five thousand, four hundred eighty-nine".