16814404 has 6 divisors (see below), whose sum is σ = 29425214. Its totient is φ = 8407200.

The previous prime is 16814393. The next prime is 16814407. The reversal of 16814404 is 40441861.

It can be written as a sum of positive squares in only one way, i.e., 16321600 + 492804 = 4040^2 + 702^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (16814407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101797 + ... + 2101804.

Almost surely, 2^16814404 is an apocalyptic number.

It is an amenable number.

16814404 is a deficient number, since it is larger than the sum of its proper divisors (12610810).

16814404 is a wasteful number, since it uses less digits than its factorization.

16814404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203605 (or 4203603 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 16814404 is about 4100.5370379988. The cubic root of 16814404 is about 256.1890083674.

The spelling of 16814404 in words is "sixteen million, eight hundred fourteen thousand, four hundred four".