214403340 has 48 divisors (see below), whose sum is σ = 601020000. Its totient is φ = 57108480.

The previous prime is 214403339. The next prime is 214403341. The reversal of 214403340 is 43304412.

It is an interprime number because it is at equal distance from previous prime (214403339) and next prime (214403341).

It is not an unprimeable number, because it can be changed into a prime (214403341) 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, 73510 + ... + 76370.

It is an arithmetic number, because the mean of its divisors is an integer number (12521250).

Almost surely, 2^214403340 is an apocalyptic number.

214403340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214403340 is an abundant number, since it is smaller than the sum of its proper divisors (386616660).

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

214403340 is a wasteful number, since it uses less digits than its factorization.

214403340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122 (or 4120 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 214403340 is about 14642.5182260430. The cubic root of 214403340 is about 598.5179533548.

Adding to 214403340 its reverse (43304412), we get a palindrome (257707752).

The spelling of 214403340 in words is "two hundred fourteen million, four hundred three thousand, three hundred forty".