842196860 has 12 divisors (see below), whose sum is σ = 1768613448. Its totient is φ = 336878736.

The previous prime is 842196853. The next prime is 842196863. The reversal of 842196860 is 68691248.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842196863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21054902 + ... + 21054941.

It is an arithmetic number, because the mean of its divisors is an integer number (147384454).

Almost surely, 2^842196860 is an apocalyptic number.

It is an amenable number.

842196860 is an abundant number, since it is smaller than the sum of its proper divisors (926416588).

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

842196860 is a wasteful number, since it uses less digits than its factorization.

842196860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42109852 (or 42109850 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 842196860 is about 29020.6281806580. The cubic root of 842196860 is about 944.3606286967.

The spelling of 842196860 in words is "eight hundred forty-two million, one hundred ninety-six thousand, eight hundred sixty".