6129906 has 8 divisors (see below), whose sum is σ = 12259824. Its totient is φ = 2043300.

The previous prime is 6129899. The next prime is 6129919. The reversal of 6129906 is 6099216.

It is a happy number.

6129906 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

6129906 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510820 + ... + 510831.

It is an arithmetic number, because the mean of its divisors is an integer number (1532478).

Almost surely, 2^6129906 is an apocalyptic number.

6129906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6129906 is a wasteful number, since it uses less digits than its factorization.

6129906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021656.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 6129906 is about 2475.8646974340. The cubic root of 6129906 is about 183.0141229508.

The spelling of 6129906 in words is "six million, one hundred twenty-nine thousand, nine hundred six".