9897475 has 24 divisors (see below), whose sum is σ = 14641920. Its totient is φ = 6489120.

The previous prime is 9897473. The next prime is 9897529. The reversal of 9897475 is 5747989.

It is a happy number.

It is not a de Polignac number, because 9897475 - 2¹ = 9897473 is a prime.

It is a super-2 number, since 2×9897475² = 195920022751250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9897473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2796 + ... + 5254.

It is an arithmetic number, because the mean of its divisors is an integer number (610080).

Almost surely, 2^9897475 is an apocalyptic number.

9897475 is a deficient number, since it is larger than the sum of its proper divisors (4744445).

9897475 is a wasteful number, since it uses less digits than its factorization.

9897475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499 (or 2494 counting only the distinct ones).

The product of its digits is 635040, while the sum is 49.

The square root of 9897475 is about 3146.0252700829. The cubic root of 9897475 is about 214.7046602869.

It can be divided in two parts, 989 and 7475, that added together give a square (8464 = 92²).

The spelling of 9897475 in words is "nine million, eight hundred ninety-seven thousand, four hundred seventy-five".