6138006 has 32 divisors (see below), whose sum is σ = 14273280. Its totient is φ = 1723296.

The previous prime is 6137993. The next prime is 6138019. The reversal of 6138006 is 6008316.

It is an interprime number because it is at equal distance from previous prime (6137993) and next prime (6138019).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240 + ... + 3716.

It is an arithmetic number, because the mean of its divisors is an integer number (446040).

Almost surely, 2^6138006 is an apocalyptic number.

It is a pronic number, being equal to 2477×2478.

It is a practical number, because each smaller number is the sum of distinct divisors of 6138006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7136640).

6138006 is an abundant number, since it is smaller than the sum of its proper divisors (8135274).

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

6138006 is a wasteful number, since it uses less digits than its factorization.

6138006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 6138006 is about 2477.4999495459. The cubic root of 6138006 is about 183.0946985162.

The spelling of 6138006 in words is "six million, one hundred thirty-eight thousand, six".