16383959 has 4 divisors (see below), whose sum is σ = 16395960. Its totient is φ = 16371960.

The previous prime is 16383949. The next prime is 16383973. The reversal of 16383959 is 95938361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16383959 is a prime.

It is a super-2 number, since 2×16383959² = 536868225027362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16383949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3644 + ... + 6785.

It is an arithmetic number, because the mean of its divisors is an integer number (4098990).

Almost surely, 2^16383959 is an apocalyptic number.

16383959 is a deficient number, since it is larger than the sum of its proper divisors (12001).

16383959 is a wasteful number, since it uses less digits than its factorization.

16383959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12000.

The product of its digits is 174960, while the sum is 44.

The square root of 16383959 is about 4047.7103404270. The cubic root of 16383959 is about 253.9839564546.

The spelling of 16383959 in words is "sixteen million, three hundred eighty-three thousand, nine hundred fifty-nine".