214504404 has 12 divisors (see below), whose sum is σ = 500510304. Its totient is φ = 71501464.

The previous prime is 214504393. The next prime is 214504427. The reversal of 214504404 is 404405412.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8937672 + ... + 8937695.

It is an arithmetic number, because the mean of its divisors is an integer number (41709192).

Almost surely, 2^214504404 is an apocalyptic number.

It is an amenable number.

214504404 is an abundant number, since it is smaller than the sum of its proper divisors (286005900).

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

214504404 is a wasteful number, since it uses less digits than its factorization.

214504404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17875374 (or 17875372 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 214504404 is about 14645.9688651861. The cubic root of 214504404 is about 598.6119803675.

Adding to 214504404 its reverse (404405412), we get a palindrome (618909816).

The spelling of 214504404 in words is "two hundred fourteen million, five hundred four thousand, four hundred four".