881382100 has 18 divisors (see below), whose sum is σ = 1912599374. Its totient is φ = 352552800.

The previous prime is 881382097. The next prime is 881382101. The reversal of 881382100 is 1283188.

It can be written as a sum of positive squares in 3 ways, for example, as 238455364 + 642926736 = 15442^2 + 25356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881382101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4406811 + ... + 4407010.

Almost surely, 2^881382100 is an apocalyptic number.

It is an amenable number.

881382100 is an abundant number, since it is smaller than the sum of its proper divisors (1031217274).

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

881382100 is a wasteful number, since it uses less digits than its factorization.

881382100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813835 (or 8813828 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 881382100 is about 29688.0800995955. The cubic root of 881382100 is about 958.7853924370.

The spelling of 881382100 in words is "eight hundred eighty-one million, three hundred eighty-two thousand, one hundred".