812335460 has 48 divisors (see below), whose sum is σ = 1760330880. Its totient is φ = 314684160.

The previous prime is 812335453. The next prime is 812335477. The reversal of 812335460 is 64533218.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110417 + ... + 117543.

It is an arithmetic number, because the mean of its divisors is an integer number (36673560).

Almost surely, 2^812335460 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 812335460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880165440).

812335460 is an abundant number, since it is smaller than the sum of its proper divisors (947995420).

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

812335460 is a wasteful number, since it uses less digits than its factorization.

812335460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7316 (or 7314 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 812335460 is about 28501.4992588109. The cubic root of 812335460 is about 933.0647954764.

Adding to 812335460 its reverse (64533218), we get a palindrome (876868678).

The spelling of 812335460 in words is "eight hundred twelve million, three hundred thirty-five thousand, four hundred sixty".