16386004 has 12 divisors (see below), whose sum is σ = 28895328. Its totient is φ = 8130200.

The previous prime is 16386001. The next prime is 16386023. The reversal of 16386004 is 40068361.

It is a super-2 number, since 2×16386004² = 537002254176032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16386001) by changing a digit.

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, 15112 + ... + 16159.

It is an arithmetic number, because the mean of its divisors is an integer number (2407944).

Almost surely, 2^16386004 is an apocalyptic number.

It is an amenable number.

16386004 is a deficient number, since it is larger than the sum of its proper divisors (12509324).

16386004 is a wasteful number, since it uses less digits than its factorization.

16386004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31406 (or 31404 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 16386004 is about 4047.9629444944. The cubic root of 16386004 is about 253.9945232043.

The spelling of 16386004 in words is "sixteen million, three hundred eighty-six thousand, four".