992643 has 8 divisors (see below), whose sum is σ = 1328400. Its totient is φ = 659328.

The previous prime is 992633. The next prime is 992659. The reversal of 992643 is 346299.

992643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 992643 - 2¹⁰ = 991619 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (992603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (166050).

2⁹⁹²⁶⁴³ is an apocalyptic number.

992643 is a deficient number, since it is larger than the sum of its proper divisors (335757).

992643 is a wasteful number, since it uses less digits than its factorization.

992643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221.

The product of its digits is 11664, while the sum is 33.

The square root of 992643 is about 996.3147093163. The cubic root of 992643 is about 99.7541628026.

It can be divided in two parts, 99264 and 3, that multiplied together give a palindrome (297792).

The spelling of 992643 in words is "nine hundred ninety-two thousand, six hundred forty-three".