9743861 has 2 divisors, whose sum is σ = 9743862. Its totient is φ = 9743860.

The previous prime is 9743857. The next prime is 9743893. The reversal of 9743861 is 1683479.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9579025 + 164836 = 3095^2 + 406^2 .

It is a cyclic number.

It is not a de Polignac number, because 9743861 - 2² = 9743857 is a prime.

It is a Chen prime.

It is equal to p₆₄₈₇₉₄ and since 9743861 and 648794 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9743161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4871930 + 4871931.

It is an arithmetic number, because the mean of its divisors is an integer number (4871931).

Almost surely, 2^9743861 is an apocalyptic number.

It is an amenable number.

9743861 is a deficient number, since it is larger than the sum of its proper divisors (1).

9743861 is an equidigital number, since it uses as much as digits as its factorization.

9743861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 9743861 is about 3121.5158176758. The cubic root of 9743861 is about 213.5880873179.

The spelling of 9743861 in words is "nine million, seven hundred forty-three thousand, eight hundred sixty-one".