789387 has 4 divisors (see below), whose sum is σ = 1052520. Its totient is φ = 526256.

The previous prime is 789377. The next prime is 789389. The reversal of 789387 is 783987.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783987 = 3 ⋅261329.

It is a cyclic number.

It is not a de Polignac number, because 789387 - 2⁶ = 789323 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (789389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131562 + ... + 131567.

It is an arithmetic number, because the mean of its divisors is an integer number (263130).

2⁷⁸⁹³⁸⁷ is an apocalyptic number.

789387 is a deficient number, since it is larger than the sum of its proper divisors (263133).

789387 is a wasteful number, since it uses less digits than its factorization.

789387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263132.

The product of its digits is 84672, while the sum is 42.

The square root of 789387 is about 888.4745353695. The cubic root of 789387 is about 92.4194380125.

It can be divided in two parts, 789 and 387, that added together give a triangular number (1176 = T₄₈).

The spelling of 789387 in words is "seven hundred eighty-nine thousand, three hundred eighty-seven".