16838404 has 24 divisors (see below), whose sum is σ = 33018048. Its totient is φ = 7446240.

The previous prime is 16838387. The next prime is 16838411. The reversal of 16838404 is 40483861.

16838404 is nontrivially palindromic in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 16838404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3544 + ... + 6799.

It is an arithmetic number, because the mean of its divisors is an integer number (1375752).

Almost surely, 2^16838404 is an apocalyptic number.

It is an amenable number.

16838404 is a deficient number, since it is larger than the sum of its proper divisors (16179644).

16838404 is a wasteful number, since it uses less digits than its factorization.

16838404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10395 (or 10393 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 16838404 is about 4103.4624404276. The cubic root of 16838404 is about 256.3108406796.

The spelling of 16838404 in words is "sixteen million, eight hundred thirty-eight thousand, four hundred four".