9973601 has 4 divisors (see below), whose sum is σ = 10880304. Its totient is φ = 9066900.

The previous prime is 9973597. The next prime is 9973603. The reversal of 9973601 is 1063799.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9973601 - 2² = 9973597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9973603) 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 3 ways as a sum of consecutive naturals, for example, 453335 + ... + 453356.

It is an arithmetic number, because the mean of its divisors is an integer number (2720076).

Almost surely, 2^9973601 is an apocalyptic number.

It is an amenable number.

9973601 is a deficient number, since it is larger than the sum of its proper divisors (906703).

9973601 is a wasteful number, since it uses less digits than its factorization.

9973601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906702.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 9973601 is about 3158.1008533611. The cubic root of 9973601 is about 215.2537188600.

The spelling of 9973601 in words is "nine million, nine hundred seventy-three thousand, six hundred one".