789646 has 24 divisors (see below), whose sum is σ = 1407672. Its totient is φ = 330000.

The previous prime is 789631. The next prime is 789653. The reversal of 789646 is 646987.

It is an Ulam number.

Its product of digits (72576) is a multiple of the sum of its prime factors (288).

It is a junction number, because it is equal to n+sod(n) for n = 789599 and 789608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3021 + ... + 3271.

It is an arithmetic number, because the mean of its divisors is an integer number (58653).

2⁷⁸⁹⁶⁴⁶ is an apocalyptic number.

789646 is a deficient number, since it is larger than the sum of its proper divisors (618026).

789646 is a wasteful number, since it uses less digits than its factorization.

789646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 277 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 789646 is about 888.6202788593. The cubic root of 789646 is about 92.4295445960.

The spelling of 789646 in words is "seven hundred eighty-nine thousand, six hundred forty-six".