16805232 has 50 divisors (see below), whose sum is σ = 48642968. Its totient is φ = 5601312.

The previous prime is 16805221. The next prime is 16805251. The reversal of 16805232 is 23250861.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16805196 and 16805205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5188 + ... + 7779.

Almost surely, 2^16805232 is an apocalyptic number.

16805232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16805232 is an abundant number, since it is smaller than the sum of its proper divisors (31837736).

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

16805232 is a wasteful number, since it uses less digits than its factorization.

16805232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12987 (or 12972 counting only the distinct ones).

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

The square root of 16805232 is about 4099.4184953478. The cubic root of 16805232 is about 256.1424175006.

The spelling of 16805232 in words is "sixteen million, eight hundred five thousand, two hundred thirty-two".