788220 has 72 divisors (see below), whose sum is σ = 2489760. Its totient is φ = 201600.

The previous prime is 788213. The next prime is 788231. The reversal of 788220 is 22887.

788220 = T₂₃ + T₂₄ + ... + T₁₆₇.

788220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

788220 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5145 + ... + 5295.

It is an arithmetic number, because the mean of its divisors is an integer number (34580).

2⁷⁸⁸²²⁰ 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 788220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244880).

788220 is an abundant number, since it is smaller than the sum of its proper divisors (1701540).

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

788220 is a wasteful number, since it uses less digits than its factorization.

788220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 788220 is about 887.8175488241. The cubic root of 788220 is about 92.3738724126.

The spelling of 788220 in words is "seven hundred eighty-eight thousand, two hundred twenty".