16304039 has 8 divisors (see below), whose sum is σ = 16635792. Its totient is φ = 15975360.

The previous prime is 16304017. The next prime is 16304053. The reversal of 16304039 is 93040361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16304039 - 2¹⁶ = 16238503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16303999 and 16304017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16304059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11984 + ... + 13274.

It is an arithmetic number, because the mean of its divisors is an integer number (2079474).

Almost surely, 2^16304039 is an apocalyptic number.

16304039 is a deficient number, since it is larger than the sum of its proper divisors (331753).

16304039 is a wasteful number, since it uses less digits than its factorization.

16304039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 16304039 is about 4037.8260239887. The cubic root of 16304039 is about 253.5703101489.

The spelling of 16304039 in words is "sixteen million, three hundred four thousand, thirty-nine".