299630005 has 4 divisors (see below), whose sum is σ = 359556012. Its totient is φ = 239704000.

The previous prime is 299630003. The next prime is 299630017. The reversal of 299630005 is 500036992.

It is a happy number.

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 99860049 + 199769956 = 9993^2 + 14134^2 .

It is not a de Polignac number, because 299630005 - 2¹ = 299630003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299630003) 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, 29962996 + ... + 29963005.

It is an arithmetic number, because the mean of its divisors is an integer number (89889003).

Almost surely, 2^299630005 is an apocalyptic number.

It is an amenable number.

299630005 is a deficient number, since it is larger than the sum of its proper divisors (59926007).

299630005 is an equidigital number, since it uses as much as digits as its factorization.

299630005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59926006.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 299630005 is about 17309.8239448008. The cubic root of 299630005 is about 669.1576292604.

Adding to 299630005 its reverse (500036992), we get a palindrome (799666997).

The spelling of 299630005 in words is "two hundred ninety-nine million, six hundred thirty thousand, five".