214021304 has 16 divisors (see below), whose sum is σ = 458617200. Its totient is φ = 91723392.

The previous prime is 214021273. The next prime is 214021307. The reversal of 214021304 is 403120412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214021307) by changing a digit.

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, 1910849 + ... + 1910960.

It is an arithmetic number, because the mean of its divisors is an integer number (28663575).

Almost surely, 2^214021304 is an apocalyptic number.

It is an amenable number.

214021304 is an abundant number, since it is smaller than the sum of its proper divisors (244595896).

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

214021304 is a wasteful number, since it uses less digits than its factorization.

214021304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821822 (or 3821818 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 214021304 is about 14629.4669759359. The cubic root of 214021304 is about 598.1622509517.

Adding to 214021304 its reverse (403120412), we get a palindrome (617141716).

The spelling of 214021304 in words is "two hundred fourteen million, twenty-one thousand, three hundred four".