812446848 has 160 divisors (see below), whose sum is σ = 2523692160. Its totient is φ = 258964992.

The previous prime is 812446837. The next prime is 812446867. The reversal of 812446848 is 848644218.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 236761 + ... + 240167.

It is an arithmetic number, because the mean of its divisors is an integer number (15773076).

Almost surely, 2^812446848 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 812446848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261846080).

812446848 is an abundant number, since it is smaller than the sum of its proper divisors (1711245312).

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

812446848 is a wasteful number, since it uses less digits than its factorization.

812446848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456 (or 3435 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 812446848 is about 28503.4532644731. The cubic root of 812446848 is about 933.1074410239.

The spelling of 812446848 in words is "eight hundred twelve million, four hundred forty-six thousand, eight hundred forty-eight".