834855156 has 72 divisors (see below), whose sum is σ = 2146906944. Its totient is φ = 273490560.

The previous prime is 834855143. The next prime is 834855157. The reversal of 834855156 is 651558438.

834855156 is a `hidden beast` number, since 8 + 3 + 48 + 551 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834855157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1290025 + ... + 1290671.

It is an arithmetic number, because the mean of its divisors is an integer number (29818152).

Almost surely, 2^834855156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 834855156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073453472).

834855156 is an abundant number, since it is smaller than the sum of its proper divisors (1312051788).

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

834855156 is a wasteful number, since it uses less digits than its factorization.

834855156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1216 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 834855156 is about 28893.8601782455. The cubic root of 834855156 is about 941.6085165160.

It can be divided in two parts, 8348 and 55156, that added together give a square (63504 = 252²).

The spelling of 834855156 in words is "eight hundred thirty-four million, eight hundred fifty-five thousand, one hundred fifty-six".