881694436 has 72 divisors (see below), whose sum is σ = 1866988032. Its totient is φ = 363258000.

The previous prime is 881694413. The next prime is 881694439. The reversal of 881694436 is 634496188.

881694436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 881694436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881694439) 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, 5838961 + ... + 5839111.

Almost surely, 2^881694436 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 881694436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933494016).

881694436 is an abundant number, since it is smaller than the sum of its proper divisors (985293596).

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

881694436 is a wasteful number, since it uses less digits than its factorization.

881694436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 191 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 881694436 is about 29693.3399266570. The cubic root of 881694436 is about 958.8986342148.

The spelling of 881694436 in words is "eight hundred eighty-one million, six hundred ninety-four thousand, four hundred thirty-six".