214840320 has 176 divisors, whose sum is σ = 700368768. Its totient is φ = 56197120.

The previous prime is 214840313. The next prime is 214840321. The reversal of 214840320 is 23048412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214840321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1090462 + ... + 1090658.

It is an arithmetic number, because the mean of its divisors is an integer number (3979368).

Almost surely, 2^214840320 is an apocalyptic number.

214840320 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 214840320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350184384).

214840320 is an abundant number, since it is smaller than the sum of its proper divisors (485528448).

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

214840320 is a wasteful number, since it uses less digits than its factorization.

214840320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 278 counting only the distinct ones).

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

The square root of 214840320 is about 14657.4322444281. The cubic root of 214840320 is about 598.9242948053.

Adding to 214840320 its reverse (23048412), we get a palindrome (237888732).

The spelling of 214840320 in words is "two hundred fourteen million, eight hundred forty thousand, three hundred twenty".