8981449 has 4 divisors (see below), whose sum is σ = 8994436. Its totient is φ = 8968464.

The previous prime is 8981447. The next prime is 8981459. The reversal of 8981449 is 9441898.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7118224 + 1863225 = 2668^2 + 1365^2 .

It is a cyclic number.

It is not a de Polignac number, because 8981449 - 2¹ = 8981447 is a prime.

It is a super-2 number, since 2×8981449² = 161332852279202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8981447) 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, 5394 + ... + 6859.

It is an arithmetic number, because the mean of its divisors is an integer number (2248609).

Almost surely, 2^8981449 is an apocalyptic number.

It is an amenable number.

8981449 is a deficient number, since it is larger than the sum of its proper divisors (12987).

8981449 is a wasteful number, since it uses less digits than its factorization.

8981449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12986.

The product of its digits is 82944, while the sum is 43.

The square root of 8981449 is about 2996.9065717836. The cubic root of 8981449 is about 207.8653668312.

The spelling of 8981449 in words is "eight million, nine hundred eighty-one thousand, four hundred forty-nine".