9695981 has 4 divisors (see below), whose sum is σ = 9727872. Its totient is φ = 9664092.

The previous prime is 9695971. The next prime is 9695993. The reversal of 9695981 is 1895969.

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 9695981 - 2¹⁴ = 9679597 is a prime.

It is a super-2 number, since 2×9695981² = 188024095104722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9695921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15485 + ... + 16098.

It is an arithmetic number, because the mean of its divisors is an integer number (2431968).

Almost surely, 2^9695981 is an apocalyptic number.

It is an amenable number.

9695981 is a deficient number, since it is larger than the sum of its proper divisors (31891).

9695981 is a wasteful number, since it uses less digits than its factorization.

9695981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31890.

The product of its digits is 174960, while the sum is 47.

The square root of 9695981 is about 3113.8370220678. The cubic root of 9695981 is about 213.2376651666.

The spelling of 9695981 in words is "nine million, six hundred ninety-five thousand, nine hundred eighty-one".