298662791 has 20 divisors (see below), whose sum is σ = 355144392. Its totient is φ = 251059536.

The previous prime is 298662761. The next prime is 298662803. The reversal of 298662791 is 197266892.

It is a happy number.

It is not a de Polignac number, because 298662791 - 2¹⁴ = 298646407 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 (298662731) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 126080 + ... + 128426.

Almost surely, 2^298662791 is an apocalyptic number.

298662791 is a deficient number, since it is larger than the sum of its proper divisors (56481601).

298662791 is an frugal number, since it uses more digits than its factorization.

298662791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428 (or 2407 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 298662791 is about 17281.8630650749. The cubic root of 298662791 is about 668.4368332995.

The spelling of 298662791 in words is "two hundred ninety-eight million, six hundred sixty-two thousand, seven hundred ninety-one".