214643412 has 24 divisors (see below), whose sum is σ = 556483200. Its totient is φ = 71547768.

The previous prime is 214643393. The next prime is 214643417. The reversal of 214643412 is 214346412.

It is a happy number.

214643412 is a `hidden beast` number, since 2 + 1 + 4 + 643 + 4 + 12 = 666.

214643412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214643417) 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, 993612 + ... + 993827.

It is an arithmetic number, because the mean of its divisors is an integer number (23186800).

Almost surely, 2^214643412 is an apocalyptic number.

It is an amenable number.

214643412 is an abundant number, since it is smaller than the sum of its proper divisors (341839788).

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

214643412 is a wasteful number, since it uses less digits than its factorization.

214643412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987452 (or 1987444 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 214643412 is about 14650.7137027518. The cubic root of 214643412 is about 598.7412611408.

Adding to 214643412 its reverse (214346412), we get a palindrome (428989824).

The spelling of 214643412 in words is "two hundred fourteen million, six hundred forty-three thousand, four hundred twelve".