8988381 has 8 divisors (see below), whose sum is σ = 13316160. Its totient is φ = 5992236.

The previous prime is 8988367. The next prime is 8988391. The reversal of 8988381 is 1838898.

8988381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8988381 - 2⁷ = 8988253 is a prime.

It is a super-2 number, since 2×8988381² = 161581986002322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8988391) 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, 166425 + ... + 166478.

It is an arithmetic number, because the mean of its divisors is an integer number (1664520).

Almost surely, 2^8988381 is an apocalyptic number.

It is an amenable number.

8988381 is a deficient number, since it is larger than the sum of its proper divisors (4327779).

8988381 is a wasteful number, since it uses less digits than its factorization.

8988381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332912 (or 332906 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 8988381 is about 2998.0628745909. The cubic root of 8988381 is about 207.9188308166.

The spelling of 8988381 in words is "eight million, nine hundred eighty-eight thousand, three hundred eighty-one".