16393684 has 12 divisors (see below), whose sum is σ = 28957824. Its totient is φ = 8120024.

The previous prime is 16393669. The next prime is 16393697. The reversal of 16393684 is 48639361.

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, 18724 + ... + 19579.

It is an arithmetic number, because the mean of its divisors is an integer number (2413152).

Almost surely, 2^16393684 is an apocalyptic number.

It is an amenable number.

16393684 is a deficient number, since it is larger than the sum of its proper divisors (12564140).

16393684 is a wasteful number, since it uses less digits than its factorization.

16393684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38414 (or 38412 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 16393684 is about 4048.9114586516. The cubic root of 16393684 is about 254.0341987970.

The spelling of 16393684 in words is "sixteen million, three hundred ninety-three thousand, six hundred eighty-four".