842004234 has 24 divisors (see below), whose sum is σ = 1891911840. Its totient is φ = 280667916.

The previous prime is 842004197. The next prime is 842004253. The reversal of 842004234 is 432400248.

It is a happy number.

842004234 is a `hidden beast` number, since 8 + 420 + 0 + 4 + 234 = 666.

It is a super-2 number, since 2×842004234² = 1417942260147853512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 842004198 and 842004207.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 865774 + ... + 866745.

It is an arithmetic number, because the mean of its divisors is an integer number (78829660).

Almost surely, 2^842004234 is an apocalyptic number.

842004234 is an abundant number, since it is smaller than the sum of its proper divisors (1049907606).

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

842004234 is a wasteful number, since it uses less digits than its factorization.

842004234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732536 (or 1732524 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 842004234 is about 29017.3092136401. The cubic root of 842004234 is about 944.2886256258.

The spelling of 842004234 in words is "eight hundred forty-two million, four thousand, two hundred thirty-four".