297730230 has 64 divisors (see below), whose sum is σ = 824186880. Its totient is φ = 67423104.

The previous prime is 297730229. The next prime is 297730243. The reversal of 297730230 is 32037792.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 297730191 and 297730200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16387 + ... + 29393.

It is an arithmetic number, because the mean of its divisors is an integer number (12877920).

Almost surely, 2^297730230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297730230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412093440).

297730230 is an abundant number, since it is smaller than the sum of its proper divisors (526456650).

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

297730230 is a wasteful number, since it uses less digits than its factorization.

297730230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13133.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 297730230 is about 17254.8610542073. The cubic root of 297730230 is about 667.7403867040.

The spelling of 297730230 in words is "two hundred ninety-seven million, seven hundred thirty thousand, two hundred thirty".