298353947 has 4 divisors (see below), whose sum is σ = 298947600. Its totient is φ = 297760296.

The previous prime is 298353919. The next prime is 298353949. The reversal of 298353947 is 749353892.

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 298353947 - 2²⁸ = 29918491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 298353895 and 298353904.

It is not an unprimeable number, because it can be changed into a prime (298353949) 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, 296072 + ... + 297077.

It is an arithmetic number, because the mean of its divisors is an integer number (74736900).

Almost surely, 2^298353947 is an apocalyptic number.

298353947 is a deficient number, since it is larger than the sum of its proper divisors (593653).

298353947 is an equidigital number, since it uses as much as digits as its factorization.

298353947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593652.

The product of its digits is 1632960, while the sum is 50.

The square root of 298353947 is about 17272.9252589132. The cubic root of 298353947 is about 668.2063460381.

The spelling of 298353947 in words is "two hundred ninety-eight million, three hundred fifty-three thousand, nine hundred forty-seven".