789479 has 4 divisors (see below), whose sum is σ = 802920. Its totient is φ = 776040.

The previous prime is 789473. The next prime is 789491. The reversal of 789479 is 974987.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-789479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6632 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (200730).

2⁷⁸⁹⁴⁷⁹ is an apocalyptic number.

789479 is a deficient number, since it is larger than the sum of its proper divisors (13441).

789479 is a wasteful number, since it uses less digits than its factorization.

789479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13440.

The product of its digits is 127008, while the sum is 44.

The square root of 789479 is about 888.5263079954. The cubic root of 789479 is about 92.4230282490.

The spelling of 789479 in words is "seven hundred eighty-nine thousand, four hundred seventy-nine".