9956231 has 2 divisors, whose sum is σ = 9956232. Its totient is φ = 9956230.

The previous prime is 9956227. The next prime is 9956249. The reversal of 9956231 is 1326599.

9956231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9956231 - 2² = 9956227 is a prime.

It is a super-2 number, since 2×9956231² = 198253071450722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 9956191 and 9956200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9953231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4978115 + 4978116.

It is an arithmetic number, because the mean of its divisors is an integer number (4978116).

Almost surely, 2^9956231 is an apocalyptic number.

9956231 is a deficient number, since it is larger than the sum of its proper divisors (1).

9956231 is an equidigital number, since it uses as much as digits as its factorization.

9956231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 35.

The square root of 9956231 is about 3155.3495844359. The cubic root of 9956231 is about 215.1286844555.

The spelling of 9956231 in words is "nine million, nine hundred fifty-six thousand, two hundred thirty-one".