9874643 has 2 divisors, whose sum is σ = 9874644. Its totient is φ = 9874642.

The previous prime is 9874633. The next prime is 9874651. The reversal of 9874643 is 3464789.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9874643 - 2¹² = 9870547 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 9⁷ + 8³ + 7⁷ + 4⁸ + 6⁵ + 4¹¹ + 3 .

It is a self number, because there is not a number n which added to its sum of digits gives 9874643.

It is not a weakly prime, because it can be changed into another prime (9874633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4937321 + 4937322.

It is an arithmetic number, because the mean of its divisors is an integer number (4937322).

Almost surely, 2^9874643 is an apocalyptic number.

9874643 is a deficient number, since it is larger than the sum of its proper divisors (1).

9874643 is an equidigital number, since it uses as much as digits as its factorization.

9874643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 9874643 is about 3142.3944691907. The cubic root of 9874643 is about 214.5394359530.

It can be divided in two parts, 98746 and 43, that added together give a palindrome (98789).

The spelling of 9874643 in words is "nine million, eight hundred seventy-four thousand, six hundred forty-three".