6904423 has 4 divisors (see below), whose sum is σ = 6930360. Its totient is φ = 6878488.

The previous prime is 6904421. The next prime is 6904427. The reversal of 6904423 is 3244096.

6904423 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.

It is a cyclic number.

It is not a de Polignac number, because 6904423 - 2¹ = 6904421 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6904391 and 6904400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6904421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12565 + ... + 13102.

It is an arithmetic number, because the mean of its divisors is an integer number (1732590).

Almost surely, 2^6904423 is an apocalyptic number.

6904423 is a deficient number, since it is larger than the sum of its proper divisors (25937).

6904423 is a wasteful number, since it uses less digits than its factorization.

6904423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25936.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 6904423 is about 2627.6268760994. The cubic root of 6904423 is about 190.4184958229.

The spelling of 6904423 in words is "six million, nine hundred four thousand, four hundred twenty-three".