8949281 has 6 divisors (see below), whose sum is σ = 9836946. Its totient is φ = 8135600.

The previous prime is 8949253. The next prime is 8949299. The reversal of 8949281 is 1829498.

It can be written as a sum of positive squares in only one way, i.e., 8755681 + 193600 = 2959^2 + 440^2 .

It is not a de Polignac number, because 8949281 - 2²² = 4754977 is a prime.

It is a super-2 number, since 2×8949281² = 160179260833922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8949221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36860 + ... + 37101.

It is an arithmetic number, because the mean of its divisors is an integer number (1639491).

Almost surely, 2^8949281 is an apocalyptic number.

It is an amenable number.

8949281 is a deficient number, since it is larger than the sum of its proper divisors (887665).

8949281 is a wasteful number, since it uses less digits than its factorization.

8949281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73983 (or 73972 counting only the distinct ones).

The product of its digits is 41472, while the sum is 41.

The square root of 8949281 is about 2991.5348903197. The cubic root of 8949281 is about 207.6169061067.

The spelling of 8949281 in words is "eight million, nine hundred forty-nine thousand, two hundred eighty-one".