230291860 has 36 divisors (see below), whose sum is σ = 512683668. Its totient is φ = 86592768.

The previous prime is 230291857. The next prime is 230291863. The reversal of 230291860 is 68192032.

It is an interprime number because it is at equal distance from previous prime (230291857) and next prime (230291863).

It can be written as a sum of positive squares in 2 ways, for example, as 132756484 + 97535376 = 11522^2 + 9876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230291863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279409 + ... + 280231.

It is an arithmetic number, because the mean of its divisors is an integer number (14241213).

Almost surely, 2^230291860 is an apocalyptic number.

230291860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230291860 is an abundant number, since it is smaller than the sum of its proper divisors (282391808).

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

230291860 is an equidigital number, since it uses as much as digits as its factorization.

230291860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 230291860 is about 15175.3701767041. The cubic root of 230291860 is about 612.9516180556.

The spelling of 230291860 in words is "two hundred thirty million, two hundred ninety-one thousand, eight hundred sixty".