789963 has 8 divisors (see below), whose sum is σ = 1108800. Its totient is φ = 498888.

The previous prime is 789961. The next prime is 789967. The reversal of 789963 is 369987.

It is a happy number.

789963 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 789963 - 2¹ = 789961 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 789963.

It is not an unprimeable number, because it can be changed into a prime (789961) 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, 6873 + ... + 6986.

It is an arithmetic number, because the mean of its divisors is an integer number (138600).

2⁷⁸⁹⁹⁶³ is an apocalyptic number.

789963 is a deficient number, since it is larger than the sum of its proper divisors (318837).

789963 is a wasteful number, since it uses less digits than its factorization.

789963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13881.

The product of its digits is 81648, while the sum is 42.

The square root of 789963 is about 888.7986273617. The cubic root of 789963 is about 92.4419114227.

The spelling of 789963 in words is "seven hundred eighty-nine thousand, nine hundred sixty-three".