9974843 has 2 divisors, whose sum is σ = 9974844. Its totient is φ = 9974842.

The previous prime is 9974837. The next prime is 9974897. The reversal of 9974843 is 3484799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9974843 - 2⁴ = 9974827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9974794 and 9974803.

It is not a weakly prime, because it can be changed into another prime (9974803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4987421 + 4987422.

It is an arithmetic number, because the mean of its divisors is an integer number (4987422).

Almost surely, 2^9974843 is an apocalyptic number.

9974843 is a deficient number, since it is larger than the sum of its proper divisors (1).

9974843 is an equidigital number, since it uses as much as digits as its factorization.

9974843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 9974843 is about 3158.2974844052. The cubic root of 9974843 is about 215.2626535809.

Subtracting from 9974843 its sum of digits (44), we obtain a palindrome (9974799).

The spelling of 9974843 in words is "nine million, nine hundred seventy-four thousand, eight hundred forty-three".