214644 has 24 divisors (see below), whose sum is σ = 517888. Its totient is φ = 69120.

The previous prime is 214639. The next prime is 214651. The reversal of 214644 is 446412.

214644 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 214644.

It is a congruent number.

It is an unprimeable number.

214644 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84 + ... + 660.

2²¹⁴⁶⁴⁴ is an apocalyptic number.

214644 is the 248-th nonagonal number.

It is an amenable number.

214644 is an abundant number, since it is smaller than the sum of its proper divisors (303244).

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

214644 is a wasteful number, since it uses less digits than its factorization.

214644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 613 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 214644 is about 463.2968810601. The cubic root of 214644 is about 59.8741807876.

It can be divided in two parts, 214 and 644, that added together give a palindrome (858).

The spelling of 214644 in words is "two hundred fourteen thousand, six hundred forty-four".