8397469 has 4 divisors (see below), whose sum is σ = 8474620. Its totient is φ = 8320320.

The previous prime is 8397457. The next prime is 8397509. The reversal of 8397469 is 9647938.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6400900 + 1996569 = 2530^2 + 1413^2 .

It is a cyclic number.

It is not a de Polignac number, because 8397469 - 2⁵ = 8397437 is a prime.

It is a super-2 number, since 2×8397469² = 141034971211922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8397419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38412 + ... + 38629.

It is an arithmetic number, because the mean of its divisors is an integer number (2118655).

Almost surely, 2^8397469 is an apocalyptic number.

It is an amenable number.

8397469 is a deficient number, since it is larger than the sum of its proper divisors (77151).

8397469 is a wasteful number, since it uses less digits than its factorization.

8397469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77150.

The product of its digits is 326592, while the sum is 46.

The square root of 8397469 is about 2897.8386773594. The cubic root of 8397469 is about 203.2588526519.

The spelling of 8397469 in words is "eight million, three hundred ninety-seven thousand, four hundred sixty-nine".