881389408 has 24 divisors (see below), whose sum is σ = 1737256248. Its totient is φ = 440181504.

The previous prime is 881389403. The next prime is 881389441. The reversal of 881389408 is 804983188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881389403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12660 + ... + 43852.

It is an arithmetic number, because the mean of its divisors is an integer number (72385677).

Almost surely, 2^881389408 is an apocalyptic number.

It is an amenable number.

881389408 is a deficient number, since it is larger than the sum of its proper divisors (855866840).

881389408 is a wasteful number, since it uses less digits than its factorization.

881389408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32086 (or 32078 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 881389408 is about 29688.2031790407. The cubic root of 881389408 is about 958.7880423601.

The spelling of 881389408 in words is "eight hundred eighty-one million, three hundred eighty-nine thousand, four hundred eight".