16409327 has 16 divisors (see below), whose sum is σ = 18938880. Its totient is φ = 14071200.

The previous prime is 16409299. The next prime is 16409329. The reversal of 16409327 is 72390461.

It is not a de Polignac number, because 16409327 - 2¹⁰ = 16408303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16409293 and 16409302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16409329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19577 + ... + 20397.

It is an arithmetic number, because the mean of its divisors is an integer number (1183680).

Almost surely, 2^16409327 is an apocalyptic number.

16409327 is a deficient number, since it is larger than the sum of its proper divisors (2529553).

16409327 is a wasteful number, since it uses less digits than its factorization.

16409327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 16409327 is about 4050.8427518234. The cubic root of 16409327 is about 254.1149736791.

Adding to 16409327 its reverse (72390461), we get a palindrome (88799788).

The spelling of 16409327 in words is "sixteen million, four hundred nine thousand, three hundred twenty-seven".