16322399 has 8 divisors (see below), whose sum is σ = 16947840. Its totient is φ = 15703200.

The previous prime is 16322347. The next prime is 16322407. The reversal of 16322399 is 99322361.

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 16322399 - 2¹² = 16318303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16322309) 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, 4157 + ... + 7065.

It is an arithmetic number, because the mean of its divisors is an integer number (2118480).

Almost surely, 2^16322399 is an apocalyptic number.

16322399 is a deficient number, since it is larger than the sum of its proper divisors (625441).

16322399 is a wasteful number, since it uses less digits than its factorization.

16322399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121.

The product of its digits is 17496, while the sum is 35.

The square root of 16322399 is about 4040.0988849284. The cubic root of 16322399 is about 253.6654563976.

The spelling of 16322399 in words is "sixteen million, three hundred twenty-two thousand, three hundred ninety-nine".