9566397 has 16 divisors (see below), whose sum is σ = 14280000. Its totient is φ = 6329232.

The previous prime is 9566377. The next prime is 9566399. The reversal of 9566397 is 7936659.

9566397 is a `hidden beast` number, since 9 + 5 + 6 + 639 + 7 = 666.

It is not a de Polignac number, because 9566397 - 2¹¹ = 9564349 is a prime.

It is a d-powerful number, because it can be written as 9⁷ + 5³ + 6 + 6² + 3⁵ + 9⁷ + 7² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9566399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2479 + ... + 5027.

It is an arithmetic number, because the mean of its divisors is an integer number (892500).

Almost surely, 2^9566397 is an apocalyptic number.

It is an amenable number.

9566397 is a deficient number, since it is larger than the sum of its proper divisors (4713603).

9566397 is a wasteful number, since it uses less digits than its factorization.

9566397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697 (or 2691 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 9566397 is about 3092.9592625833. The cubic root of 9566397 is about 212.2834481368.

The spelling of 9566397 in words is "nine million, five hundred sixty-six thousand, three hundred ninety-seven".