9773971 has 4 divisors (see below), whose sum is σ = 9808792. Its totient is φ = 9739152.

The previous prime is 9773947. The next prime is 9773977. The reversal of 9773971 is 1793779.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1793779 = 13 ⋅137983.

It is a cyclic number.

It is not a de Polignac number, because 9773971 - 2²¹ = 7676819 is a prime.

It is a super-3 number, since 3×9773971³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9773977) 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, 16986 + ... + 17551.

It is an arithmetic number, because the mean of its divisors is an integer number (2452198).

Almost surely, 2^9773971 is an apocalyptic number.

9773971 is a deficient number, since it is larger than the sum of its proper divisors (34821).

9773971 is a wasteful number, since it uses less digits than its factorization.

9773971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34820.

The product of its digits is 83349, while the sum is 43.

The square root of 9773971 is about 3126.3350748120. The cubic root of 9773971 is about 213.8078675557.

The spelling of 9773971 in words is "nine million, seven hundred seventy-three thousand, nine hundred seventy-one".