214638 has 16 divisors (see below), whose sum is σ = 435456. Its totient is φ = 70520.

The previous prime is 214631. The next prime is 214639. The reversal of 214638 is 836412.

It is a happy number.

214638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 214638.

It is not an unprimeable number, because it can be changed into a prime (214631) 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, 283 + ... + 713.

It is an arithmetic number, because the mean of its divisors is an integer number (27216).

2²¹⁴⁶³⁸ is an apocalyptic number.

214638 is an abundant number, since it is smaller than the sum of its proper divisors (220818).

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

214638 is a wasteful number, since it uses less digits than its factorization.

214638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519.

The product of its digits is 1152, while the sum is 24.

The square root of 214638 is about 463.2904056852. The cubic root of 214638 is about 59.8736228895.

The spelling of 214638 in words is "two hundred fourteen thousand, six hundred thirty-eight".