842385184 has 12 divisors (see below), whose sum is σ = 1658445894. Its totient is φ = 421192576.

The previous prime is 842385163. The next prime is 842385211. The reversal of 842385184 is 481583248.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 533610000 + 308775184 = 23100^2 + 17572^2 .

It is a super-2 number, since 2×842385184² = 1419225596445427712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 842385184.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13162237 + ... + 13162300.

Almost surely, 2^842385184 is an apocalyptic number.

It is an amenable number.

842385184 is a deficient number, since it is larger than the sum of its proper divisors (816060710).

842385184 is a wasteful number, since it uses less digits than its factorization.

842385184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26324547 (or 26324539 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 842385184 is about 29023.8726568320. The cubic root of 842385184 is about 944.4310130788.

The spelling of 842385184 in words is "eight hundred forty-two million, three hundred eighty-five thousand, one hundred eighty-four".