16404884 has 12 divisors (see below), whose sum is σ = 28741524. Its totient is φ = 8193024.

The previous prime is 16404863. The next prime is 16404937. The reversal of 16404884 is 48840461.

16404884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7236100 + 9168784 = 2690^2 + 3028^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2834 + ... + 6390.

It is an arithmetic number, because the mean of its divisors is an integer number (2395127).

Almost surely, 2^16404884 is an apocalyptic number.

It is an amenable number.

16404884 is a deficient number, since it is larger than the sum of its proper divisors (12336640).

16404884 is a wasteful number, since it uses less digits than its factorization.

16404884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714 (or 4712 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 16404884 is about 4050.2943102940. The cubic root of 16404884 is about 254.0920368306.

The spelling of 16404884 in words is "sixteen million, four hundred four thousand, eight hundred eighty-four".