842811434 has 8 divisors (see below), whose sum is σ = 1265645088. Its totient is φ = 420929740.

The previous prime is 842811433. The next prime is 842811439. The reversal of 842811434 is 434118248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×842811434² = 1420662226562272712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 842811394 and 842811403.

It is not an unprimeable number, because it can be changed into a prime (842811433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235772 + ... + 239319.

It is an arithmetic number, because the mean of its divisors is an integer number (158205636).

Almost surely, 2^842811434 is an apocalyptic number.

842811434 is a deficient number, since it is larger than the sum of its proper divisors (422833654).

842811434 is a wasteful number, since it uses less digits than its factorization.

842811434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475980.

The product of its digits is 24576, while the sum is 35.

The square root of 842811434 is about 29031.2148212919. The cubic root of 842811434 is about 944.5902814065.

The spelling of 842811434 in words is "eight hundred forty-two million, eight hundred eleven thousand, four hundred thirty-four".