214344340 has 24 divisors (see below), whose sum is σ = 514426752. Its totient is φ = 73489440.

The previous prime is 214344289. The next prime is 214344343. The reversal of 214344340 is 43443412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214344343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765376 + ... + 765655.

It is an arithmetic number, because the mean of its divisors is an integer number (21434448).

Almost surely, 2^214344340 is an apocalyptic number.

214344340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214344340 is an abundant number, since it is smaller than the sum of its proper divisors (300082412).

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

214344340 is a wasteful number, since it uses less digits than its factorization.

214344340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531047 (or 1531045 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 214344340 is about 14640.5034066456. The cubic root of 214344340 is about 598.4630478064.

Adding to 214344340 its reverse (43443412), we get a palindrome (257787752).

The spelling of 214344340 in words is "two hundred fourteen million, three hundred forty-four thousand, three hundred forty".