789401 has 4 divisors (see below), whose sum is σ = 802404. Its totient is φ = 776400.

The previous prime is 789391. The next prime is 789407. The reversal of 789401 is 104987.

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

It can be written as a sum of positive squares in 2 ways, for example, as 265225 + 524176 = 515^2 + 724^2 .

It is a cyclic number.

It is not a de Polignac number, because 789401 - 2¹⁰ = 788377 is a prime.

It is a Duffinian number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 6410 + ... + 6531.

It is an arithmetic number, because the mean of its divisors is an integer number (200601).

2⁷⁸⁹⁴⁰¹ is an apocalyptic number.

It is an amenable number.

789401 is a deficient number, since it is larger than the sum of its proper divisors (13003).

789401 is a wasteful number, since it uses less digits than its factorization.

789401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13002.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 789401 is about 888.4824140072. The cubic root of 789401 is about 92.4199843708.

The spelling of 789401 in words is "seven hundred eighty-nine thousand, four hundred one".