6904393 has 4 divisors (see below), whose sum is σ = 7204608. Its totient is φ = 6604180.

The previous prime is 6904379. The next prime is 6904421. The reversal of 6904393 is 3934096.

6904393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6904393 - 2²¹ = 4807241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6904333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150073 + ... + 150118.

It is an arithmetic number, because the mean of its divisors is an integer number (1801152).

Almost surely, 2^6904393 is an apocalyptic number.

It is an amenable number.

6904393 is a deficient number, since it is larger than the sum of its proper divisors (300215).

6904393 is a wasteful number, since it uses less digits than its factorization.

6904393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300214.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 6904393 is about 2627.6211675202. The cubic root of 6904393 is about 190.4182200304.

The spelling of 6904393 in words is "six million, nine hundred four thousand, three hundred ninety-three".