298732091 has 4 divisors (see below), whose sum is σ = 341408112. Its totient is φ = 256056072.

The previous prime is 298732061. The next prime is 298732099. The reversal of 298732091 is 190237892.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 298732091 - 2¹⁸ = 298469947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298732099) 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, 21338000 + ... + 21338013.

It is an arithmetic number, because the mean of its divisors is an integer number (85352028).

Almost surely, 2^298732091 is an apocalyptic number.

298732091 is a deficient number, since it is larger than the sum of its proper divisors (42676021).

298732091 is an equidigital number, since it uses as much as digits as its factorization.

298732091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42676020.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 298732091 is about 17283.8679409442. The cubic root of 298732091 is about 668.4885293835.

The spelling of 298732091 in words is "two hundred ninety-eight million, seven hundred thirty-two thousand, ninety-one".