9731961 has 16 divisors (see below), whose sum is σ = 14726400. Its totient is φ = 6349104.

The previous prime is 9731947. The next prime is 9731977. The reversal of 9731961 is 1691379.

It is not a de Polignac number, because 9731961 - 2⁵ = 9731929 is a prime.

It is a super-2 number, since 2×9731961² = 189422129811042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9731261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2566 + ... + 5103.

It is an arithmetic number, because the mean of its divisors is an integer number (920400).

Almost surely, 2^9731961 is an apocalyptic number.

It is an amenable number.

9731961 is a deficient number, since it is larger than the sum of its proper divisors (4994439).

9731961 is a wasteful number, since it uses less digits than its factorization.

9731961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725 (or 7719 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 9731961 is about 3119.6091101290. The cubic root of 9731961 is about 213.5011014830.

The spelling of 9731961 in words is "nine million, seven hundred thirty-one thousand, nine hundred sixty-one".