842335812 has 36 divisors (see below), whose sum is σ = 2134357680. Its totient is φ = 280103472.

The previous prime is 842335807. The next prime is 842335867. The reversal of 842335812 is 218533248.

842335812 is a `hidden beast` number, since 8 + 42 + 33 + 581 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12838 + ... + 43005.

Almost surely, 2^842335812 is an apocalyptic number.

It is an amenable number.

842335812 is an abundant number, since it is smaller than the sum of its proper divisors (1292021868).

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

842335812 is a wasteful number, since it uses less digits than its factorization.

842335812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56272 (or 56267 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 842335812 is about 29023.0221031511. The cubic root of 842335812 is about 944.4125617575.

The spelling of 842335812 in words is "eight hundred forty-two million, three hundred thirty-five thousand, eight hundred twelve".