812941284 has 48 divisors (see below), whose sum is σ = 1949696000. Its totient is φ = 263536416.

The previous prime is 812941271. The next prime is 812941291. The reversal of 812941284 is 482149218.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57117 + ... + 69915.

Almost surely, 2^812941284 is an apocalyptic number.

It is an amenable number.

812941284 is an abundant number, since it is smaller than the sum of its proper divisors (1136754716).

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

812941284 is a wasteful number, since it uses less digits than its factorization.

812941284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12952 (or 12950 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 812941284 is about 28512.1252101628. The cubic root of 812941284 is about 933.2966917021.

The spelling of 812941284 in words is "eight hundred twelve million, nine hundred forty-one thousand, two hundred eighty-four".