299708005 has 4 divisors (see below), whose sum is σ = 359649612. Its totient is φ = 239766400.

The previous prime is 299707999. The next prime is 299708027. The reversal of 299708005 is 500807992.

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 30813601 + 268894404 = 5551^2 + 16398^2 .

It is not a de Polignac number, because 299708005 - 2⁹ = 299707493 is a prime.

It is a super-2 number, since 2×299708005² = 179649776522160050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29970796 + ... + 29970805.

It is an arithmetic number, because the mean of its divisors is an integer number (89912403).

Almost surely, 2^299708005 is an apocalyptic number.

It is an amenable number.

299708005 is a deficient number, since it is larger than the sum of its proper divisors (59941607).

299708005 is an equidigital number, since it uses as much as digits as its factorization.

299708005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59941606.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 299708005 is about 17312.0768540346. The cubic root of 299708005 is about 669.2156894966.

The spelling of 299708005 in words is "two hundred ninety-nine million, seven hundred eight thousand, five".