8992643 has 16 divisors (see below), whose sum is σ = 10938240. Its totient is φ = 7286400.

The previous prime is 8992637. The next prime is 8992661. The reversal of 8992643 is 3462998.

It is a happy number.

It is not a de Polignac number, because 8992643 - 2²⁰ = 7944067 is a prime.

It is a d-powerful number, because it can be written as 8³ + 9 + 9⁴ + 2⁹ + 6⁵ + 4¹¹ + 3¹⁴ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8992643.

It is not an unprimeable number, because it can be changed into a prime (8992663) 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 in 15 ways as a sum of consecutive naturals, for example, 2288 + ... + 4818.

It is an arithmetic number, because the mean of its divisors is an integer number (683640).

Almost surely, 2^8992643 is an apocalyptic number.

8992643 is a deficient number, since it is larger than the sum of its proper divisors (1945597).

8992643 is a wasteful number, since it uses less digits than its factorization.

8992643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578.

The product of its digits is 93312, while the sum is 41.

The square root of 8992643 is about 2998.7735826501. The cubic root of 8992643 is about 207.9516884222.

The spelling of 8992643 in words is "eight million, nine hundred ninety-two thousand, six hundred forty-three".