8971281 has 12 divisors (see below), whose sum is σ = 14136720. Its totient is φ = 5437080.

The previous prime is 8971271. The next prime is 8971283. The reversal of 8971281 is 1821798.

It is not a de Polignac number, because 8971281 - 2⁶ = 8971217 is a prime.

It is a super-2 number, since 2×8971281² = 160967765561922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8971283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45211 + ... + 45408.

It is an arithmetic number, because the mean of its divisors is an integer number (1178060).

Almost surely, 2^8971281 is an apocalyptic number.

It is an amenable number.

8971281 is a deficient number, since it is larger than the sum of its proper divisors (5165439).

8971281 is a wasteful number, since it uses less digits than its factorization.

8971281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90636 (or 90633 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 8971281 is about 2995.2096754651. The cubic root of 8971281 is about 207.7868949665.

The spelling of 8971281 in words is "eight million, nine hundred seventy-one thousand, two hundred eighty-one".