214142404 has 24 divisors (see below), whose sum is σ = 453479040. Its totient is φ = 86376576.

The previous prime is 214142363. The next prime is 214142437. The reversal of 214142404 is 404241412.

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 7 ways as a sum of consecutive naturals, for example, 224464 + ... + 225415.

It is an arithmetic number, because the mean of its divisors is an integer number (18894960).

Almost surely, 2^214142404 is an apocalyptic number.

It is an amenable number.

214142404 is an abundant number, since it is smaller than the sum of its proper divisors (239336636).

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

214142404 is a wasteful number, since it uses less digits than its factorization.

214142404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449907 (or 449905 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 214142404 is about 14633.6052973968. The cubic root of 214142404 is about 598.2750493649.

Adding to 214142404 its reverse (404241412), we get a palindrome (618383816).

The spelling of 214142404 in words is "two hundred fourteen million, one hundred forty-two thousand, four hundred four".