789404 has 36 divisors (see below), whose sum is σ = 1742832. Its totient is φ = 306240.

The previous prime is 789391. The next prime is 789407. The reversal of 789404 is 404987.

789404 = T₁₆₇ + T₁₆₈ + ... + T₂₁₀.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3272 + ... + 3504.

It is an arithmetic number, because the mean of its divisors is an integer number (48412).

2⁷⁸⁹⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 789404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871416).

789404 is an abundant number, since it is smaller than the sum of its proper divisors (953428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

789404 is a wasteful number, since it uses less digits than its factorization.

789404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 789404 is about 888.4841022776. The cubic root of 789404 is about 92.4201014468.

The spelling of 789404 in words is "seven hundred eighty-nine thousand, four hundred four".