299989449 has 12 divisors (see below), whose sum is σ = 447296512. Its totient is φ = 193541400.

The previous prime is 299989441. The next prime is 299989489. The reversal of 299989449 is 944989992.

299989449 is a `hidden beast` number, since 29 + 99 + 89 + 449 = 666.

It is not a de Polignac number, because 299989449 - 2³ = 299989441 is a prime.

It is a super-2 number, since 2×299989449² = 179987339022647202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (299989441) 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, 537337 + ... + 537894.

Almost surely, 2^299989449 is an apocalyptic number.

It is an amenable number.

299989449 is a deficient number, since it is larger than the sum of its proper divisors (147307063).

299989449 is a wasteful number, since it uses less digits than its factorization.

299989449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075268 (or 1075265 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 63.

The square root of 299989449 is about 17320.2034918762. The cubic root of 299989449 is about 669.4251020045.

The spelling of 299989449 in words is "two hundred ninety-nine million, nine hundred eighty-nine thousand, four hundred forty-nine".