8381897 has 8 divisors (see below), whose sum is σ = 8600256. Its totient is φ = 8165872.

The previous prime is 8381887. The next prime is 8381903. The reversal of 8381897 is 7981838.

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 8381897 - 2⁴ = 8381881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8381887) 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, 8378 + ... + 9324.

It is an arithmetic number, because the mean of its divisors is an integer number (1075032).

Almost surely, 2^8381897 is an apocalyptic number.

It is an amenable number.

8381897 is a deficient number, since it is larger than the sum of its proper divisors (218359).

8381897 is a wasteful number, since it uses less digits than its factorization.

8381897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167.

The product of its digits is 96768, while the sum is 44.

The square root of 8381897 is about 2895.1506005733. The cubic root of 8381897 is about 203.1331359897.

The spelling of 8381897 in words is "eight million, three hundred eighty-one thousand, eight hundred ninety-seven".