9998753 has 2 divisors, whose sum is σ = 9998754. Its totient is φ = 9998752.

The previous prime is 9998749. The next prime is 9998777. The reversal of 9998753 is 3578999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9784384 + 214369 = 3128^2 + 463^2 .

It is a cyclic number.

It is not a de Polignac number, because 9998753 - 2² = 9998749 is a prime.

It is an Ulam number.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (9998743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999376 + 4999377.

It is an arithmetic number, because the mean of its divisors is an integer number (4999377).

Almost surely, 2^9998753 is an apocalyptic number.

It is an amenable number.

9998753 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998753 is an equidigital number, since it uses as much as digits as its factorization.

9998753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 50.

The square root of 9998753 is about 3162.0804860092. The cubic root of 9998753 is about 215.4345133641.

The spelling of 9998753 in words is "nine million, nine hundred ninety-eight thousand, seven hundred fifty-three".