298822438 has 24 divisors (see below), whose sum is σ = 469085760. Its totient is φ = 142749600.

The previous prime is 298822429. The next prime is 298822451. The reversal of 298822438 is 834228892.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169003 + ... + 170761.

It is an arithmetic number, because the mean of its divisors is an integer number (19545240).

Almost surely, 2^298822438 is an apocalyptic number.

298822438 is a deficient number, since it is larger than the sum of its proper divisors (170263322).

298822438 is a wasteful number, since it uses less digits than its factorization.

298822438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1891 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 298822438 is about 17286.4813655064. The cubic root of 298822438 is about 668.5559140038. Note that the first 3 decimals are identical.

The spelling of 298822438 in words is "two hundred ninety-eight million, eight hundred twenty-two thousand, four hundred thirty-eight".