842949168 has 20 divisors (see below), whose sum is σ = 2177618808. Its totient is φ = 280983040.

The previous prime is 842949161. The next prime is 842949187. The reversal of 842949168 is 861949248.

It is a self number, because there is not a number n which added to its sum of digits gives 842949168.

It is not an unprimeable number, because it can be changed into a prime (842949161) 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 3 ways as a sum of consecutive naturals, for example, 8780673 + ... + 8780768.

Almost surely, 2^842949168 is an apocalyptic number.

It is an amenable number.

842949168 is an abundant number, since it is smaller than the sum of its proper divisors (1334669640).

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

842949168 is a wasteful number, since it uses less digits than its factorization.

842949168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17561452 (or 17561446 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 842949168 is about 29033.5868951806. The cubic root of 842949168 is about 944.6417342409.

The spelling of 842949168 in words is "eight hundred forty-two million, nine hundred forty-nine thousand, one hundred sixty-eight".