6278393 has 8 divisors (see below), whose sum is σ = 6911136. Its totient is φ = 5656000.

The previous prime is 6278381. The next prime is 6278407. The reversal of 6278393 is 3938726.

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 6278393 - 2⁶ = 6278329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6278353) 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, 1283 + ... + 3768.

It is an arithmetic number, because the mean of its divisors is an integer number (863892).

Almost surely, 2^6278393 is an apocalyptic number.

It is an amenable number.

6278393 is a deficient number, since it is larger than the sum of its proper divisors (632743).

6278393 is a wasteful number, since it uses less digits than its factorization.

6278393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175.

The product of its digits is 54432, while the sum is 38.

The square root of 6278393 is about 2505.6721653081. The cubic root of 6278393 is about 184.4800888220.

The spelling of 6278393 in words is "six million, two hundred seventy-eight thousand, three hundred ninety-three".