298270705 has 4 divisors (see below), whose sum is σ = 357924852. Its totient is φ = 238616560.

The previous prime is 298270673. The next prime is 298270717. The reversal of 298270705 is 507072892.

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 133610481 + 164660224 = 11559^2 + 12832^2 .

It is not a de Polignac number, because 298270705 - 2⁵ = 298270673 is a prime.

It is a super-2 number, since 2×298270705² = 177930826922394050, 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29827066 + ... + 29827075.

It is an arithmetic number, because the mean of its divisors is an integer number (89481213).

Almost surely, 2^298270705 is an apocalyptic number.

It is an amenable number.

298270705 is a deficient number, since it is larger than the sum of its proper divisors (59654147).

298270705 is an equidigital number, since it uses as much as digits as its factorization.

298270705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59654146.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 298270705 is about 17270.5154815946. The cubic root of 298270705 is about 668.1441961353.

The spelling of 298270705 in words is "two hundred ninety-eight million, two hundred seventy thousand, seven hundred five".