8999456 has 12 divisors (see below), whose sum is σ = 17717742. Its totient is φ = 4499712.

The previous prime is 8999437. The next prime is 8999461. The reversal of 8999456 is 6549998.

It can be written as a sum of positive squares in only one way, i.e., 7203856 + 1795600 = 2684^2 + 1340^2 .

It is a super-3 number, since 3×8999456³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140585 + ... + 140648.

Almost surely, 2^8999456 is an apocalyptic number.

It is an amenable number.

8999456 is a deficient number, since it is larger than the sum of its proper divisors (8718286).

8999456 is a wasteful number, since it uses less digits than its factorization.

8999456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281243 (or 281235 counting only the distinct ones).

The product of its digits is 699840, while the sum is 50.

The square root of 8999456 is about 2999.9093319632. The cubic root of 8999456 is about 208.0041912370.

The spelling of 8999456 in words is "eight million, nine hundred ninety-nine thousand, four hundred fifty-six".