6923406 has 24 divisors (see below), whose sum is σ = 16108200. Its totient is φ = 1978032.

The previous prime is 6923381. The next prime is 6923417. The reversal of 6923406 is 6043296.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11481 + ... + 12068.

It is an arithmetic number, because the mean of its divisors is an integer number (671175).

Almost surely, 2^6923406 is an apocalyptic number.

6923406 is an abundant number, since it is smaller than the sum of its proper divisors (9184794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6923406 is a wasteful number, since it uses less digits than its factorization.

6923406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23568 (or 23561 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 6923406 is about 2631.2365914148. The cubic root of 6923406 is about 190.5928481472.

The spelling of 6923406 in words is "six million, nine hundred twenty-three thousand, four hundred six".