789285420 has 432 divisors, whose sum is σ = 3123154944. Its totient is φ = 157766400.

The previous prime is 789285361. The next prime is 789285437. The reversal of 789285420 is 24582987.

789285420 is a `hidden beast` number, since 7 + 89 + 28 + 542 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4726177 + ... + 4726343.

Almost surely, 2^789285420 is an apocalyptic number.

789285420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 789285420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1561577472).

789285420 is an abundant number, since it is smaller than the sum of its proper divisors (2333869524).

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

789285420 is a wasteful number, since it uses less digits than its factorization.

789285420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 789285420 is about 28094.2239615192. The cubic root of 789285420 is about 924.1547359907.

It can be divided in two parts, 78928 and 5420, that added together give a palindrome (84348).

The spelling of 789285420 in words is "seven hundred eighty-nine million, two hundred eighty-five thousand, four hundred twenty".