6906393 has 12 divisors (see below), whose sum is σ = 10743460. Its totient is φ = 4250016.

The previous prime is 6906343. The next prime is 6906401. The reversal of 6906393 is 3936096.

It can be written as a sum of positive squares in 2 ways, for example, as 1016064 + 5890329 = 1008^2 + 2427^2 .

It is not a de Polignac number, because 6906393 - 2⁹ = 6905881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6906313) 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, 29398 + ... + 29631.

Almost surely, 2^6906393 is an apocalyptic number.

It is an amenable number.

6906393 is a deficient number, since it is larger than the sum of its proper divisors (3837067).

6906393 is a wasteful number, since it uses less digits than its factorization.

6906393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59048 (or 59045 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 6906393 is about 2628.0017123282. The cubic root of 6906393 is about 190.4366044452.

The spelling of 6906393 in words is "six million, nine hundred six thousand, three hundred ninety-three".