8973139 has 8 divisors (see below), whose sum is σ = 10287200. Its totient is φ = 7667136.

The previous prime is 8973131. The next prime is 8973163. The reversal of 8973139 is 9313798.

8973139 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 8973139 - 2³ = 8973131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8973131) 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, 607 + ... + 4279.

It is an arithmetic number, because the mean of its divisors is an integer number (1285900).

Almost surely, 2^8973139 is an apocalyptic number.

8973139 is a deficient number, since it is larger than the sum of its proper divisors (1314061).

8973139 is a wasteful number, since it uses less digits than its factorization.

8973139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029.

The product of its digits is 40824, while the sum is 40.

The square root of 8973139 is about 2995.5198213332. The cubic root of 8973139 is about 207.8012385666.

The spelling of 8973139 in words is "eight million, nine hundred seventy-three thousand, one hundred thirty-nine".