8538397 has 12 divisors (see below), whose sum is σ = 9984576. Its totient is φ = 7280280.

The previous prime is 8538377. The next prime is 8538401. The reversal of 8538397 is 7938358.

It is a happy number.

It is not a de Polignac number, because 8538397 - 2⁷ = 8538269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12958 + ... + 13600.

It is an arithmetic number, because the mean of its divisors is an integer number (832048).

Almost surely, 2^8538397 is an apocalyptic number.

It is an amenable number.

8538397 is a deficient number, since it is larger than the sum of its proper divisors (1446179).

8538397 is a wasteful number, since it uses less digits than its factorization.

8538397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 921 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 8538397 is about 2922.0535587152. The cubic root of 8538397 is about 204.3895941409.

The spelling of 8538397 in words is "eight million, five hundred thirty-eight thousand, three hundred ninety-seven".