299993445 has 24 divisors (see below), whose sum is σ = 521152632. Its totient is φ = 159638400.

The previous prime is 299993411. The next prime is 299993453. The reversal of 299993445 is 544399992.

299993445 is a `hidden beast` number, since 29 + 99 + 93 + 445 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 772641 + 299220804 = 879^2 + 17298^2 .

It is not a de Polignac number, because 299993445 - 2⁶ = 299993381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 299993391 and 299993400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13515 + ... + 27975.

It is an arithmetic number, because the mean of its divisors is an integer number (21714693).

Almost surely, 2^299993445 is an apocalyptic number.

It is an amenable number.

299993445 is a deficient number, since it is larger than the sum of its proper divisors (221159187).

299993445 is a wasteful number, since it uses less digits than its factorization.

299993445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14933 (or 14930 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The square root of 299993445 is about 17320.3188481044. The cubic root of 299993445 is about 669.4280743433.

The spelling of 299993445 in words is "two hundred ninety-nine million, nine hundred ninety-three thousand, four hundred forty-five".