16388396 has 6 divisors (see below), whose sum is σ = 28679700. Its totient is φ = 8194196.

The previous prime is 16388381. The next prime is 16388413. The reversal of 16388396 is 69388361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048546 + ... + 2048553.

It is an arithmetic number, because the mean of its divisors is an integer number (4779950).

Almost surely, 2^16388396 is an apocalyptic number.

It is an amenable number.

16388396 is a deficient number, since it is larger than the sum of its proper divisors (12291304).

16388396 is a wasteful number, since it uses less digits than its factorization.

16388396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097103 (or 4097101 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 16388396 is about 4048.2583909627. The cubic root of 16388396 is about 254.0068818273.

The spelling of 16388396 in words is "sixteen million, three hundred eighty-eight thousand, three hundred ninety-six".