789331 has 2 divisors, whose sum is σ = 789332. Its totient is φ = 789330.

The previous prime is 789323. The next prime is 789343. The reversal of 789331 is 133987.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 789331 - 2³ = 789323 is a prime.

It is a super-2 number, since 2×789331² = 1246086855122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 789293 and 789302.

It is not a weakly prime, because it can be changed into another prime (789311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394665 + 394666.

It is an arithmetic number, because the mean of its divisors is an integer number (394666).

2⁷⁸⁹³³¹ is an apocalyptic number.

789331 is a deficient number, since it is larger than the sum of its proper divisors (1).

789331 is an equidigital number, since it uses as much as digits as its factorization.

789331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

The square root of 789331 is about 888.4430201200. The cubic root of 789331 is about 92.4172525146.

It can be divided in two parts, 78 and 9331, that added together give a square (9409 = 97²).

The spelling of 789331 in words is "seven hundred eighty-nine thousand, three hundred thirty-one".