8928981 has 8 divisors (see below), whose sum is σ = 13228160. Its totient is φ = 5952636.

The previous prime is 8928979. The next prime is 8929003. The reversal of 8928981 is 1898298.

8928981 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8928981 - 2¹ = 8928979 is a prime.

It is a super-2 number, since 2×8928981² = 159453403396722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8928971) 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, 165325 + ... + 165378.

It is an arithmetic number, because the mean of its divisors is an integer number (1653520).

Almost surely, 2^8928981 is an apocalyptic number.

It is an amenable number.

8928981 is a deficient number, since it is larger than the sum of its proper divisors (4299179).

8928981 is a wasteful number, since it uses less digits than its factorization.

8928981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330712 (or 330706 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 8928981 is about 2988.1400569585. The cubic root of 8928981 is about 207.4598054433.

The spelling of 8928981 in words is "eight million, nine hundred twenty-eight thousand, nine hundred eighty-one".