6123906 has 24 divisors (see below), whose sum is σ = 13431600. Its totient is φ = 2016216.

The previous prime is 6123889. The next prime is 6123913. The reversal of 6123906 is 6093216.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6123906.

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, 556 + ... + 3543.

It is an arithmetic number, because the mean of its divisors is an integer number (559650).

Almost surely, 2^6123906 is an apocalyptic number.

6123906 is an abundant number, since it is smaller than the sum of its proper divisors (7307694).

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

6123906 is a wasteful number, since it uses less digits than its factorization.

6123906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190 (or 4187 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 6123906 is about 2474.6527029060. The cubic root of 6123906 is about 182.9543915724.

The spelling of 6123906 in words is "six million, one hundred twenty-three thousand, nine hundred six".