16304249 has 8 divisors (see below), whose sum is σ = 17821440. Its totient is φ = 14824656.

The previous prime is 16304243. The next prime is 16304251. The reversal of 16304249 is 94240361.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16304249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16304243) 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 7 ways as a sum of consecutive naturals, for example, 8489 + ... + 10230.

It is an arithmetic number, because the mean of its divisors is an integer number (2227680).

Almost surely, 2^16304249 is an apocalyptic number.

It is an amenable number.

16304249 is a deficient number, since it is larger than the sum of its proper divisors (1517191).

16304249 is a wasteful number, since it uses less digits than its factorization.

16304249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18799.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 16304249 is about 4037.8520279971. The cubic root of 16304249 is about 253.5713988268.

The spelling of 16304249 in words is "sixteen million, three hundred four thousand, two hundred forty-nine".