881390382 has 16 divisors (see below), whose sum is σ = 1775464320. Its totient is φ = 291682872.

The previous prime is 881390353. The next prime is 881390387. The reversal of 881390382 is 283093188.

881390382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881390387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527578 + ... + 529245.

It is an arithmetic number, because the mean of its divisors is an integer number (110966520).

Almost surely, 2^881390382 is an apocalyptic number.

881390382 is an abundant number, since it is smaller than the sum of its proper divisors (894073938).

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

881390382 is a wasteful number, since it uses less digits than its factorization.

881390382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056967.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 881390382 is about 29688.2195828581. The cubic root of 881390382 is about 958.7883955370.

The spelling of 881390382 in words is "eight hundred eighty-one million, three hundred ninety thousand, three hundred eighty-two".