298288340 has 24 divisors (see below), whose sum is σ = 715892352. Its totient is φ = 102270240.

The previous prime is 298288327. The next prime is 298288349. The reversal of 298288340 is 43882892.

It is a junction number, because it is equal to n+sod(n) for n = 298288291 and 298288300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298288349) 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, 1065176 + ... + 1065455.

It is an arithmetic number, because the mean of its divisors is an integer number (29828848).

Almost surely, 2^298288340 is an apocalyptic number.

298288340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298288340 is an abundant number, since it is smaller than the sum of its proper divisors (417604012).

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

298288340 is a wasteful number, since it uses less digits than its factorization.

298288340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130647 (or 2130645 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 298288340 is about 17271.0260262672. The cubic root of 298288340 is about 668.1573636936.

The spelling of 298288340 in words is "two hundred ninety-eight million, two hundred eighty-eight thousand, three hundred forty".