16324404 has 12 divisors (see below), whose sum is σ = 38090304. Its totient is φ = 5441464.

The previous prime is 16324397. The next prime is 16324433. The reversal of 16324404 is 40442361.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 680172 + ... + 680195.

It is an arithmetic number, because the mean of its divisors is an integer number (3174192).

Almost surely, 2^16324404 is an apocalyptic number.

It is an amenable number.

16324404 is an abundant number, since it is smaller than the sum of its proper divisors (21765900).

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

16324404 is a wasteful number, since it uses less digits than its factorization.

16324404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360374 (or 1360372 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 16324404 is about 4040.3470147996. The cubic root of 16324404 is about 253.6758425019.

Adding to 16324404 its reverse (40442361), we get a palindrome (56766765).

The spelling of 16324404 in words is "sixteen million, three hundred twenty-four thousand, four hundred four".