842447334 has 16 divisors (see below), whose sum is σ = 1685239920. Its totient is φ = 280758240.

The previous prime is 842447321. The next prime is 842447449. The reversal of 842447334 is 433744248.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 842447292 and 842447301.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 26104 + ... + 48644.

It is an arithmetic number, because the mean of its divisors is an integer number (105327495).

Almost surely, 2^842447334 is an apocalyptic number.

842447334 is an abundant number, since it is smaller than the sum of its proper divisors (842792586).

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

842447334 is a wasteful number, since it uses less digits than its factorization.

842447334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28775.

The product of its digits is 258048, while the sum is 39.

The square root of 842447334 is about 29024.9433074382. The cubic root of 842447334 is about 944.4542387737.

The spelling of 842447334 in words is "eight hundred forty-two million, four hundred forty-seven thousand, three hundred thirty-four".