298420615 has 4 divisors (see below), whose sum is σ = 358104744. Its totient is φ = 238736488.

The previous prime is 298420609. The next prime is 298420621. The reversal of 298420615 is 516024892.

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

It is an interprime number because it is at equal distance from previous prime (298420609) and next prime (298420621).

It is a cyclic number.

It is not a de Polignac number, because 298420615 - 2²¹ = 296323463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29842057 + ... + 29842066.

It is an arithmetic number, because the mean of its divisors is an integer number (89526186).

Almost surely, 2^298420615 is an apocalyptic number.

298420615 is a deficient number, since it is larger than the sum of its proper divisors (59684129).

298420615 is an equidigital number, since it uses as much as digits as its factorization.

298420615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59684128.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 298420615 is about 17274.8549921555. The cubic root of 298420615 is about 668.2561131725.

The spelling of 298420615 in words is "two hundred ninety-eight million, four hundred twenty thousand, six hundred fifteen".