214031406 has 16 divisors (see below), whose sum is σ = 428259024. Its totient is φ = 71311104.

The previous prime is 214031393. The next prime is 214031407. The reversal of 214031406 is 604130412.

214031406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214031407) 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, 8680 + ... + 22436.

It is an arithmetic number, because the mean of its divisors is an integer number (26766189).

Almost surely, 2^214031406 is an apocalyptic number.

214031406 is an abundant number, since it is smaller than the sum of its proper divisors (214227618).

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

214031406 is a wasteful number, since it uses less digits than its factorization.

214031406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16355.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 214031406 is about 14629.8122339284. The cubic root of 214031406 is about 598.1716620709.

Adding to 214031406 its reverse (604130412), we get a palindrome (818161818).

The spelling of 214031406 in words is "two hundred fourteen million, thirty-one thousand, four hundred six".