8397441 has 18 divisors (see below), whose sum is σ = 13136838. Its totient is φ = 5166720.

The previous prime is 8397437. The next prime is 8397457. The reversal of 8397441 is 1447938.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 103041 + 8294400 = 321^2 + 2880^2 .

It is not a de Polignac number, because 8397441 - 2² = 8397437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8397396 and 8397405.

It is not an unprimeable number, because it can be changed into a prime (8397421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1240 + ... + 4281.

Almost surely, 2^8397441 is an apocalyptic number.

It is an amenable number.

8397441 is a deficient number, since it is larger than the sum of its proper divisors (4739397).

8397441 is a wasteful number, since it uses less digits than its factorization.

8397441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553 (or 5537 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 8397441 is about 2897.8338461685. The cubic root of 8397441 is about 203.2586267404.

The spelling of 8397441 in words is "eight million, three hundred ninety-seven thousand, four hundred forty-one".