885986634 has 128 divisors (see below), whose sum is σ = 2090188800. Its totient is φ = 248117760.

The previous prime is 885986599. The next prime is 885986641. The reversal of 885986634 is 436689588.

885986634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4949557 + ... + 4949735.

It is an arithmetic number, because the mean of its divisors is an integer number (16329600).

Almost surely, 2^885986634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 885986634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045094400).

885986634 is an abundant number, since it is smaller than the sum of its proper divisors (1204202166).

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

885986634 is a wasteful number, since it uses less digits than its factorization.

885986634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340.

The product of its digits is 9953280, while the sum is 57.

The square root of 885986634 is about 29765.5276116517. The cubic root of 885986634 is about 960.4521286086.

The spelling of 885986634 in words is "eight hundred eighty-five million, nine hundred eighty-six thousand, six hundred thirty-four".