298730140 has 24 divisors (see below), whose sum is σ = 628054560. Its totient is φ = 119354688.

The previous prime is 298730129. The next prime is 298730143. The reversal of 298730140 is 41037892.

It is a junction number, because it is equal to n+sod(n) for n = 298730096 and 298730105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298730143) 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, 10254 + ... + 26506.

It is an arithmetic number, because the mean of its divisors is an integer number (26168940).

Almost surely, 2^298730140 is an apocalyptic number.

298730140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298730140 is an abundant number, since it is smaller than the sum of its proper divisors (329324420).

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

298730140 is a wasteful number, since it uses less digits than its factorization.

298730140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17181 (or 17179 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 298730140 is about 17283.8115009393. The cubic root of 298730140 is about 668.4870740952.

The spelling of 298730140 in words is "two hundred ninety-eight million, seven hundred thirty thousand, one hundred forty".