881890444 has 6 divisors (see below), whose sum is σ = 1543308284. Its totient is φ = 440945220.

The previous prime is 881890441. The next prime is 881890459. The reversal of 881890444 is 444098188.

It is a junction number, because it is equal to n+sod(n) for n = 881890394 and 881890403.

It is not an unprimeable number, because it can be changed into a prime (881890441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110236302 + ... + 110236309.

Almost surely, 2^881890444 is an apocalyptic number.

It is an amenable number.

881890444 is a deficient number, since it is larger than the sum of its proper divisors (661417840).

881890444 is a wasteful number, since it uses less digits than its factorization.

881890444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220472615 (or 220472613 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 881890444 is about 29696.6402813517. The cubic root of 881890444 is about 958.9696859948.

The spelling of 881890444 in words is "eight hundred eighty-one million, eight hundred ninety thousand, four hundred forty-four".