881622936 has 144 divisors (see below), whose sum is σ = 2536279200. Its totient is φ = 276591744.

The previous prime is 881622809. The next prime is 881622947. The reversal of 881622936 is 639226188.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 881622891 and 881622900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3008806 + ... + 3009098.

It is an arithmetic number, because the mean of its divisors is an integer number (17613050).

Almost surely, 2^881622936 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 881622936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1268139600).

881622936 is an abundant number, since it is smaller than the sum of its proper divisors (1654656264).

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

881622936 is a wasteful number, since it uses less digits than its factorization.

881622936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 400 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 881622936 is about 29692.1359285586. The cubic root of 881622936 is about 958.8727132521.

The spelling of 881622936 in words is "eight hundred eighty-one million, six hundred twenty-two thousand, nine hundred thirty-six".