16383897 has 8 divisors (see below), whose sum is σ = 24272480. Its totient is φ = 10922580.

The previous prime is 16383883. The next prime is 16383911. The reversal of 16383897 is 79838361.

It is a happy number.

16383897 is a `hidden beast` number, since 1 + 638 + 3 + 8 + 9 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (16383883) and next prime (16383911).

It is not a de Polignac number, because 16383897 - 2¹⁵ = 16351129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16383827) 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, 303379 + ... + 303432.

It is an arithmetic number, because the mean of its divisors is an integer number (3034060).

Almost surely, 2^16383897 is an apocalyptic number.

It is an amenable number.

16383897 is a deficient number, since it is larger than the sum of its proper divisors (7888583).

16383897 is an equidigital number, since it uses as much as digits as its factorization.

16383897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606820 (or 606814 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 16383897 is about 4047.7026817690. The cubic root of 16383897 is about 253.9836360797.

The spelling of 16383897 in words is "sixteen million, three hundred eighty-three thousand, eight hundred ninety-seven".