214830240 has 96 divisors (see below), whose sum is σ = 686097216. Its totient is φ = 56494080.

The previous prime is 214830233. The next prime is 214830263. The reversal of 214830240 is 42038412.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 214830240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31975 + ... + 38105.

It is an arithmetic number, because the mean of its divisors is an integer number (7146846).

Almost surely, 2^214830240 is an apocalyptic number.

214830240 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 214830240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343048608).

214830240 is an abundant number, since it is smaller than the sum of its proper divisors (471266976).

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

214830240 is a wasteful number, since it uses less digits than its factorization.

214830240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222 (or 6214 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 214830240 is about 14657.0883875345. The cubic root of 214830240 is about 598.9149277689.

Adding to 214830240 its reverse (42038412), we get a palindrome (256868652).

The spelling of 214830240 in words is "two hundred fourteen million, eight hundred thirty thousand, two hundred forty".