214431412 has 12 divisors (see below), whose sum is σ = 404120836. Its totient is φ = 98968320.

The previous prime is 214431389. The next prime is 214431479. The reversal of 214431412 is 214134412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83649316 + 130782096 = 9146^2 + 11436^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2061789 + ... + 2061892.

Almost surely, 2^214431412 is an apocalyptic number.

It is an amenable number.

214431412 is a deficient number, since it is larger than the sum of its proper divisors (189689424).

214431412 is a wasteful number, since it uses less digits than its factorization.

214431412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123698 (or 4123696 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 214431412 is about 14643.4767729525. The cubic root of 214431412 is about 598.5440736922.

Adding to 214431412 its reverse (214134412), we get a palindrome (428565824).

The spelling of 214431412 in words is "two hundred fourteen million, four hundred thirty-one thousand, four hundred twelve".