9873937 has 2 divisors, whose sum is σ = 9873938. Its totient is φ = 9873936.

The previous prime is 9873917. The next prime is 9873943. The reversal of 9873937 is 7393789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9634816 + 239121 = 3104^2 + 489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9873937 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9873917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4936968 + 4936969.

It is an arithmetic number, because the mean of its divisors is an integer number (4936969).

Almost surely, 2^9873937 is an apocalyptic number.

It is an amenable number.

9873937 is a deficient number, since it is larger than the sum of its proper divisors (1).

9873937 is an equidigital number, since it uses as much as digits as its factorization.

9873937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 46.

The square root of 9873937 is about 3142.2821324636. The cubic root of 9873937 is about 214.5343229090.

The spelling of 9873937 in words is "nine million, eight hundred seventy-three thousand, nine hundred thirty-seven".