961843134 has 64 divisors (see below), whose sum is σ = 2253588480. Its totient is φ = 268001760.

The previous prime is 961843133. The next prime is 961843163. The reversal of 961843134 is 431348169.

It is a junction number, because it is equal to n+sod(n) for n = 961843092 and 961843101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961843133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323137 + ... + 326099.

It is an arithmetic number, because the mean of its divisors is an integer number (35212320).

Almost surely, 2^961843134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 961843134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1126794240).

961843134 is an abundant number, since it is smaller than the sum of its proper divisors (1291745346).

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

961843134 is a wasteful number, since it uses less digits than its factorization.

961843134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165.

The product of its digits is 62208, while the sum is 39.

The square root of 961843134 is about 31013.5959540328. The cubic root of 961843134 is about 987.1157538114.

The spelling of 961843134 in words is "nine hundred sixty-one million, eight hundred forty-three thousand, one hundred thirty-four".