842564316 has 24 divisors (see below), whose sum is σ = 2144709504. Its totient is φ = 255322480.

The previous prime is 842564311. The next prime is 842564323. The reversal of 842564316 is 613465248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842564311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3191400 + ... + 3191663.

It is an arithmetic number, because the mean of its divisors is an integer number (89362896).

Almost surely, 2^842564316 is an apocalyptic number.

It is an amenable number.

842564316 is an abundant number, since it is smaller than the sum of its proper divisors (1302145188).

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

842564316 is a wasteful number, since it uses less digits than its factorization.

842564316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383081 (or 6383079 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 842564316 is about 29026.9584352202. The cubic root of 842564316 is about 944.4979523005.

The spelling of 842564316 in words is "eight hundred forty-two million, five hundred sixty-four thousand, three hundred sixteen".