8618397 has 8 divisors (see below), whose sum is σ = 11593344. Its totient is φ = 5694528.

The previous prime is 8618387. The next prime is 8618413. The reversal of 8618397 is 7938168.

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

It is not a de Polignac number, because 8618397 - 2¹⁰ = 8617373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8618317) 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, 12373 + ... + 13050.

It is an arithmetic number, because the mean of its divisors is an integer number (1449168).

Almost surely, 2^8618397 is an apocalyptic number.

It is an amenable number.

8618397 is a deficient number, since it is larger than the sum of its proper divisors (2974947).

8618397 is a wasteful number, since it uses less digits than its factorization.

8618397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25539.

The product of its digits is 72576, while the sum is 42.

The square root of 8618397 is about 2935.7106465045. The cubic root of 8618397 is about 205.0259495210.

The spelling of 8618397 in words is "eight million, six hundred eighteen thousand, three hundred ninety-seven".