230587840 has 112 divisors (see below), whose sum is σ = 631448064. Its totient is φ = 78566400.

The previous prime is 230587793. The next prime is 230587859. The reversal of 230587840 is 48785032.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 230587840.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 696475 + ... + 696805.

Almost surely, 2^230587840 is an apocalyptic number.

230587840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230587840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315724032).

230587840 is an abundant number, since it is smaller than the sum of its proper divisors (400860224).

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

230587840 is a wasteful number, since it uses less digits than its factorization.

230587840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 230587840 is about 15185.1190314729. The cubic root of 230587840 is about 613.2141020068.

It can be divided in two parts, 230 and 587840, that added together give a triangular number (588070 = T₁₀₈₄).

The spelling of 230587840 in words is "two hundred thirty million, five hundred eighty-seven thousand, eight hundred forty".