16804032 has 56 divisors (see below), whose sum is σ = 50816256. Its totient is φ = 4800768.

The previous prime is 16804027. The next prime is 16804033. The reversal of 16804032 is 23040861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 16803993 and 16804011.

It is not an unprimeable number, because it can be changed into a prime (16804033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4908 + ... + 7595.

Almost surely, 2^16804032 is an apocalyptic number.

16804032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16804032 is an abundant number, since it is smaller than the sum of its proper divisors (34012224).

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

16804032 is a wasteful number, since it uses less digits than its factorization.

16804032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12525 (or 12515 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 16804032 is about 4099.2721305129. The cubic root of 16804032 is about 256.1363206252.

Adding to 16804032 its reverse (23040861), we get a palindrome (39844893).

The spelling of 16804032 in words is "sixteen million, eight hundred four thousand, thirty-two".