6413939 has 8 divisors (see below), whose sum is σ = 7349760. Its totient is φ = 5483016.

The previous prime is 6413903. The next prime is 6413951. The reversal of 6413939 is 9393146.

6413939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-6413939 is a prime.

It is a super-2 number, since 2×6413939² = 82277226991442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6413899 and 6413908.

It is not an unprimeable number, because it can be changed into a prime (6413339) 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, 2252 + ... + 4230.

It is an arithmetic number, because the mean of its divisors is an integer number (918720).

Almost surely, 2^6413939 is an apocalyptic number.

6413939 is a deficient number, since it is larger than the sum of its proper divisors (935821).

6413939 is a wasteful number, since it uses less digits than its factorization.

6413939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449.

The product of its digits is 17496, while the sum is 35.

The square root of 6413939 is about 2532.5755664935. The cubic root of 6413939 is about 185.7982454125.

The spelling of 6413939 in words is "six million, four hundred thirteen thousand, nine hundred thirty-nine".