816270 has 96 divisors (see below), whose sum is σ = 2529792. Its totient is φ = 164736.

The previous prime is 816251. The next prime is 816271. The reversal of 816270 is 72618.

816270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 12.

It is a zygodrome in base 12 and base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 816270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35479 + ... + 35501.

It is an arithmetic number, because the mean of its divisors is an integer number (26352).

2⁸¹⁶²⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 816270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264896).

816270 is an abundant number, since it is smaller than the sum of its proper divisors (1713522).

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

816270 is a wasteful number, since it uses less digits than its factorization.

816270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 816270 is about 903.4766184025. The cubic root of 816270 is about 93.4568800380.

Adding to 816270 its reverse (72618), we get a palindrome (888888).

The spelling of 816270 in words is "eight hundred sixteen thousand, two hundred seventy".