9138006 has 12 divisors (see below), whose sum is σ = 19799052. Its totient is φ = 3045996.

The previous prime is 9137981. The next prime is 9138007. The reversal of 9138006 is 6008319.

It is a super-3 number, since 3×9138006³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253816 + ... + 253851.

It is an arithmetic number, because the mean of its divisors is an integer number (1649921).

Almost surely, 2^9138006 is an apocalyptic number.

9138006 is an abundant number, since it is smaller than the sum of its proper divisors (10661046).

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

9138006 is a wasteful number, since it uses less digits than its factorization.

9138006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507675 (or 507672 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 9138006 is about 3022.9134952889. The cubic root of 9138006 is about 209.0661939396.

The spelling of 9138006 in words is "nine million, one hundred thirty-eight thousand, six".