855562434 has 16 divisors (see below), whose sum is σ = 1811779488. Its totient is φ = 268411712.

The previous prime is 855562403. The next prime is 855562439. The reversal of 855562434 is 434265558.

It is not an unprimeable number, because it can be changed into a prime (855562439) 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 7 ways as a sum of consecutive naturals, for example, 4193832 + ... + 4194035.

It is an arithmetic number, because the mean of its divisors is an integer number (113236218).

Almost surely, 2^855562434 is an apocalyptic number.

855562434 is an abundant number, since it is smaller than the sum of its proper divisors (956217054).

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

855562434 is a wasteful number, since it uses less digits than its factorization.

855562434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8387889.

The product of its digits is 576000, while the sum is 42.

The square root of 855562434 is about 29249.9988717949. The cubic root of 855562434 is about 949.3300665521.

It can be divided in two parts, 85556 and 2434, that added together give a triangular number (87990 = T₄₁₉).

The spelling of 855562434 in words is "eight hundred fifty-five million, five hundred sixty-two thousand, four hundred thirty-four".