8622397 has 4 divisors (see below), whose sum is σ = 9854176. Its totient is φ = 7390620.

The previous prime is 8622391. The next prime is 8622413. The reversal of 8622397 is 7932268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8622397 - 2¹¹ = 8620349 is a prime.

It is a d-powerful number, because it can be written as 8³ + 6⁶ + 2⁹ + 2²³ + 3¹¹ + 9⁴ + 7⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8622391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615879 + ... + 615892.

It is an arithmetic number, because the mean of its divisors is an integer number (2463544).

Almost surely, 2^8622397 is an apocalyptic number.

It is an amenable number.

8622397 is a deficient number, since it is larger than the sum of its proper divisors (1231779).

8622397 is a wasteful number, since it uses less digits than its factorization.

8622397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231778.

The product of its digits is 36288, while the sum is 37.

The square root of 8622397 is about 2936.3918335263. The cubic root of 8622397 is about 205.0576637309.

It can be divided in two parts, 86223 and 97, that added together give a triangular number (86320 = T₄₁₅).

The spelling of 8622397 in words is "eight million, six hundred twenty-two thousand, three hundred ninety-seven".