6383945 has 8 divisors (see below), whose sum is σ = 7753536. Its totient is φ = 5045296.

The previous prime is 6383939. The next prime is 6383953. The reversal of 6383945 is 5493836.

6383945 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6383945 - 2¹⁴ = 6367561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6383899 and 6383908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7277 + ... + 8106.

It is an arithmetic number, because the mean of its divisors is an integer number (969192).

Almost surely, 2^6383945 is an apocalyptic number.

It is an amenable number.

6383945 is a deficient number, since it is larger than the sum of its proper divisors (1369591).

6383945 is a wasteful number, since it uses less digits than its factorization.

6383945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15471.

The product of its digits is 77760, while the sum is 38.

The square root of 6383945 is about 2526.6469876103. The cubic root of 6383945 is about 185.5081718658.

The spelling of 6383945 in words is "six million, three hundred eighty-three thousand, nine hundred forty-five".