298223790 has 16 divisors (see below), whose sum is σ = 715737168. Its totient is φ = 79526336.

The previous prime is 298223777. The next prime is 298223797. The reversal of 298223790 is 97322892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298223797) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4970367 + ... + 4970426.

It is an arithmetic number, because the mean of its divisors is an integer number (44733573).

Almost surely, 2^298223790 is an apocalyptic number.

298223790 is an abundant number, since it is smaller than the sum of its proper divisors (417513378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298223790 is a wasteful number, since it uses less digits than its factorization.

298223790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9940803.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 298223790 is about 17269.1571884675. The cubic root of 298223790 is about 668.1091634976.

The spelling of 298223790 in words is "two hundred ninety-eight million, two hundred twenty-three thousand, seven hundred ninety".