789400000 has 84 divisors (see below), whose sum is σ = 1958452776. Its totient is φ = 315680000.

The previous prime is 789399971. The next prime is 789400009. The reversal of 789400000 is 4987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (789400009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198027 + ... + 201973.

It is an arithmetic number, because the mean of its divisors is an integer number (23314914).

Almost surely, 2^789400000 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 789400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979226388).

789400000 is an abundant number, since it is smaller than the sum of its proper divisors (1169052776).

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

789400000 is an frugal number, since it uses more digits than its factorization.

789400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984 (or 3954 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 789400000 is about 28096.2630967180. The cubic root of 789400000 is about 924.1994534543.

Adding to 789400000 its reverse (4987), we get a palindrome (789404987).

The spelling of 789400000 in words is "seven hundred eighty-nine million, four hundred thousand".