214121404 has 12 divisors (see below), whose sum is σ = 428242864. Its totient is φ = 91766304.

The previous prime is 214121377. The next prime is 214121417. The reversal of 214121404 is 404121412.

214121404 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3823569 + ... + 3823624.

Almost surely, 2^214121404 is an apocalyptic number.

It is an amenable number.

214121404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

214121404 is a wasteful number, since it uses less digits than its factorization.

214121404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7647204 (or 7647202 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 214121404 is about 14632.8877532769. The cubic root of 214121404 is about 598.2554919948.

Adding to 214121404 its reverse (404121412), we get a palindrome (618242816).

The spelling of 214121404 in words is "two hundred fourteen million, one hundred twenty-one thousand, four hundred four".