298641901 has 4 divisors (see below), whose sum is σ = 304996032. Its totient is φ = 292287772.

The previous prime is 298641899. The next prime is 298641947. The reversal of 298641901 is 109146892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 298641901 - 2¹ = 298641899 is a prime.

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 not an unprimeable number, because it can be changed into a prime (298641001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3176995 + ... + 3177088.

It is an arithmetic number, because the mean of its divisors is an integer number (76249008).

Almost surely, 2^298641901 is an apocalyptic number.

It is an amenable number.

298641901 is a deficient number, since it is larger than the sum of its proper divisors (6354131).

298641901 is an equidigital number, since it uses as much as digits as its factorization.

298641901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354130.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 298641901 is about 17281.2586636506. The cubic root of 298641901 is about 668.4212483082.

The spelling of 298641901 in words is "two hundred ninety-eight million, six hundred forty-one thousand, nine hundred one".