16280804 has 6 divisors (see below), whose sum is σ = 28491414. Its totient is φ = 8140400.

The previous prime is 16280791. The next prime is 16280809. The reversal of 16280804 is 40808261.

It can be written as a sum of positive squares in only one way, i.e., 16080100 + 200704 = 4010^2 + 448^2 .

It is not an unprimeable number, because it can be changed into a prime (16280809) 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 as a sum of consecutive naturals, namely, 2035097 + ... + 2035104.

It is an arithmetic number, because the mean of its divisors is an integer number (4748569).

Almost surely, 2^16280804 is an apocalyptic number.

It is an amenable number.

16280804 is a deficient number, since it is larger than the sum of its proper divisors (12210610).

16280804 is a wasteful number, since it uses less digits than its factorization.

16280804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070205 (or 4070203 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 16280804 is about 4034.9478311373. The cubic root of 16280804 is about 253.4497979424.

The spelling of 16280804 in words is "sixteen million, two hundred eighty thousand, eight hundred four".