9897039 has 16 divisors (see below), whose sum is σ = 14883840. Its totient is φ = 6498360.

The previous prime is 9897037. The next prime is 9897059. The reversal of 9897039 is 9307989.

It is a happy number.

It is not a de Polignac number, because 9897039 - 2¹ = 9897037 is a prime.

9897039 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9896985 and 9897003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897037) 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 15 ways as a sum of consecutive naturals, for example, 927 + ... + 4544.

It is an arithmetic number, because the mean of its divisors is an integer number (930240).

Almost surely, 2^9897039 is an apocalyptic number.

9897039 is a deficient number, since it is larger than the sum of its proper divisors (4986801).

9897039 is a wasteful number, since it uses less digits than its factorization.

9897039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5547 (or 5541 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 9897039 is about 3145.9559755343. The cubic root of 9897039 is about 214.7015075432.

The spelling of 9897039 in words is "nine million, eight hundred ninety-seven thousand, thirty-nine".