214404 has 24 divisors (see below), whose sum is σ = 530208. Its totient is φ = 67200.

The previous prime is 214399. The next prime is 214433. The reversal of 214404 is 404412.

It is a congruent number.

It is an unprimeable number.

214404 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322 + ... + 729.

It is an arithmetic number, because the mean of its divisors is an integer number (22092).

2²¹⁴⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

214404 is an abundant number, since it is smaller than the sum of its proper divisors (315804).

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

214404 is a wasteful number, since it uses less digits than its factorization.

214404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 214404 is about 463.0377954336. The cubic root of 214404 is about 59.8518567495.

Adding to 214404 its reverse (404412), we get a palindrome (618816).

The spelling of 214404 in words is "two hundred fourteen thousand, four hundred four", and thus it is an iban number.