298788040 has 32 divisors (see below), whose sum is σ = 673001280. Its totient is φ = 119385792.

The previous prime is 298788031. The next prime is 298788047. The reversal of 298788040 is 40887892.

It is not an unprimeable number, because it can be changed into a prime (298788047) 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, 39007 + ... + 46033.

It is an arithmetic number, because the mean of its divisors is an integer number (21031290).

Almost surely, 2^298788040 is an apocalyptic number.

298788040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298788040 is an abundant number, since it is smaller than the sum of its proper divisors (374213240).

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

298788040 is a wasteful number, since it uses less digits than its factorization.

298788040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8101 (or 8097 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 298788040 is about 17285.4863975533. The cubic root of 298788040 is about 668.5302601194.

The spelling of 298788040 in words is "two hundred ninety-eight million, seven hundred eighty-eight thousand, forty".