214344520 has 32 divisors (see below), whose sum is σ = 519374520. Its totient is φ = 79142400.

The previous prime is 214344503. The next prime is 214344547. The reversal of 214344520 is 25443412.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 189723076 + 24621444 = 13774^2 + 4962^2 .

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205581 + ... + 206620.

Almost surely, 2^214344520 is an apocalyptic number.

214344520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214344520 is an abundant number, since it is smaller than the sum of its proper divisors (305030000).

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

214344520 is a wasteful number, since it uses less digits than its factorization.

214344520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412225 (or 412221 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 214344520 is about 14640.5095539739. The cubic root of 214344520 is about 598.4632153302.

Adding to 214344520 its reverse (25443412), we get a palindrome (239787932).

The spelling of 214344520 in words is "two hundred fourteen million, three hundred forty-four thousand, five hundred twenty".