789001993 has 8 divisors (see below), whose sum is σ = 860451200. Its totient is φ = 719089488.

The previous prime is 789001981. The next prime is 789002003. The reversal of 789001993 is 399100987.

789001993 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 789001993 - 2²⁹ = 252131081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (789001903) 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, 383103 + ... + 385156.

It is an arithmetic number, because the mean of its divisors is an integer number (107556400).

Almost surely, 2^789001993 is an apocalyptic number.

It is an amenable number.

789001993 is a deficient number, since it is larger than the sum of its proper divisors (71449207).

789001993 is a wasteful number, since it uses less digits than its factorization.

789001993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768351.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 789001993 is about 28089.1792866933. The cubic root of 789001993 is about 924.0441035307.

The spelling of 789001993 in words is "seven hundred eighty-nine million, one thousand, nine hundred ninety-three".