9974385 has 12 divisors (see below), whose sum is σ = 17289012. Its totient is φ = 5319648.

The previous prime is 9974383. The next prime is 9974389. The reversal of 9974385 is 5834799.

It can be written as a sum of positive squares in 2 ways, for example, as 2005056 + 7969329 = 1416^2 + 2823^2 .

It is not a de Polignac number, because 9974385 - 2¹ = 9974383 is a prime.

It is a super-2 number, since 2×9974385² = 198976712256450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 221653 = 9974385 / (9 + 9 + 7 + 4 + 3 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 9974385.

It is not an unprimeable number, because it can be changed into a prime (9974383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110782 + ... + 110871.

It is an arithmetic number, because the mean of its divisors is an integer number (1440751).

Almost surely, 2^9974385 is an apocalyptic number.

It is an amenable number.

9974385 is a deficient number, since it is larger than the sum of its proper divisors (7314627).

9974385 is a wasteful number, since it uses less digits than its factorization.

9974385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221664 (or 221661 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 9974385 is about 3158.2249761535. The cubic root of 9974385 is about 215.2593588990.

The spelling of 9974385 in words is "nine million, nine hundred seventy-four thousand, three hundred eighty-five".