16385427 has 12 divisors (see below), whose sum is σ = 24115104. Its totient is φ = 10717200.

The previous prime is 16385423. The next prime is 16385437. The reversal of 16385427 is 72458361.

16385427 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16385427 - 2² = 16385423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16385391 and 16385400.

It is not an unprimeable number, because it can be changed into a prime (16385423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16699 + ... + 17652.

It is an arithmetic number, because the mean of its divisors is an integer number (2009592).

Almost surely, 2^16385427 is an apocalyptic number.

16385427 is a deficient number, since it is larger than the sum of its proper divisors (7729677).

16385427 is a wasteful number, since it uses less digits than its factorization.

16385427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34410 (or 34407 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 16385427 is about 4047.8916734517. The cubic root of 16385427 is about 253.9915418681.

The spelling of 16385427 in words is "sixteen million, three hundred eighty-five thousand, four hundred twenty-seven".