9138799 has 8 divisors (see below), whose sum is σ = 9576000. Its totient is φ = 8709792.

The previous prime is 9138757. The next prime is 9138803. The reversal of 9138799 is 9978319.

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

It is a cyclic number.

It is not a de Polignac number, because 9138799 - 2¹⁷ = 9007727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9138719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297 + ... + 4285.

It is an arithmetic number, because the mean of its divisors is an integer number (1197000).

Almost surely, 2^9138799 is an apocalyptic number.

9138799 is a deficient number, since it is larger than the sum of its proper divisors (437201).

9138799 is a wasteful number, since it uses less digits than its factorization.

9138799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097.

The product of its digits is 122472, while the sum is 46.

The square root of 9138799 is about 3023.0446572950. The cubic root of 9138799 is about 209.0722413820.

The spelling of 9138799 in words is "nine million, one hundred thirty-eight thousand, seven hundred ninety-nine".