8138933 has 8 divisors (see below), whose sum is σ = 8916480. Its totient is φ = 7367680.

The previous prime is 8138909. The next prime is 8138947. The reversal of 8138933 is 3398318.

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 8138933 - 2⁸ = 8138677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8138893 and 8138902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8138983) 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, 1388 + ... + 4266.

It is an arithmetic number, because the mean of its divisors is an integer number (1114560).

Almost surely, 2^8138933 is an apocalyptic number.

It is an amenable number.

8138933 is a deficient number, since it is larger than the sum of its proper divisors (777547).

8138933 is a wasteful number, since it uses less digits than its factorization.

8138933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147.

The product of its digits is 15552, while the sum is 35.

The square root of 8138933 is about 2852.8815257560. The cubic root of 8138933 is about 201.1511367098.

The spelling of 8138933 in words is "eight million, one hundred thirty-eight thousand, nine hundred thirty-three".