16383933 has 12 divisors (see below), whose sum is σ = 24305788. Its totient is φ = 10627200.

The previous prime is 16383931. The next prime is 16383949. The reversal of 16383933 is 33938361.

It can be written as a sum of positive squares in 2 ways, for example, as 7634169 + 8749764 = 2763^2 + 2958^2 .

It is not a de Polignac number, because 16383933 - 2¹ = 16383931 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 (16383931) 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, 24268 + ... + 24933.

Almost surely, 2^16383933 is an apocalyptic number.

It is an amenable number.

16383933 is a deficient number, since it is larger than the sum of its proper divisors (7921855).

16383933 is a wasteful number, since it uses less digits than its factorization.

16383933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49244 (or 49241 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 16383933 is about 4047.7071287335. The cubic root of 16383933 is about 253.9838221039.

The spelling of 16383933 in words is "sixteen million, three hundred eighty-three thousand, nine hundred thirty-three".