298789605 has 12 divisors (see below), whose sum is σ = 517902060. Its totient is φ = 159354432.

The previous prime is 298789571. The next prime is 298789661. The reversal of 298789605 is 506987892.

It is a happy number.

298789605 is a `hidden beast` number, since 29 + 8 + 7 + 8 + 9 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86825124 + 211964481 = 9318^2 + 14559^2 .

It is not a de Polignac number, because 298789605 - 2¹⁴ = 298773221 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3319840 + ... + 3319929.

It is an arithmetic number, because the mean of its divisors is an integer number (43158505).

Almost surely, 2^298789605 is an apocalyptic number.

It is an amenable number.

298789605 is a deficient number, since it is larger than the sum of its proper divisors (219112455).

298789605 is a wasteful number, since it uses less digits than its factorization.

298789605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6639780 (or 6639777 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 298789605 is about 17285.5316666859. The cubic root of 298789605 is about 668.5314273326.

The spelling of 298789605 in words is "two hundred ninety-eight million, seven hundred eighty-nine thousand, six hundred five".