16805034 has 12 divisors (see below), whose sum is σ = 36410946. Its totient is φ = 5601672.

The previous prime is 16805023. The next prime is 16805053. The reversal of 16805034 is 43050861.

It can be written as a sum of positive squares in only one way, i.e., 16426809 + 378225 = 4053^2 + 615^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16804989 and 16805007.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 466789 + ... + 466824.

Almost surely, 2^16805034 is an apocalyptic number.

16805034 is an abundant number, since it is smaller than the sum of its proper divisors (19605912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16805034 is a wasteful number, since it uses less digits than its factorization.

16805034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933621 (or 933618 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 16805034 is about 4099.3943455101. The cubic root of 16805034 is about 256.1414115362.

Adding to 16805034 its reverse (43050861), we get a palindrome (59855895).

The spelling of 16805034 in words is "sixteen million, eight hundred five thousand, thirty-four".