214020688 has 20 divisors (see below), whose sum is σ = 473903200. Its totient is φ = 91723104.

The previous prime is 214020661. The next prime is 214020733. The reversal of 214020688 is 886020412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955338 + ... + 955561.

It is an arithmetic number, because the mean of its divisors is an integer number (23695160).

Almost surely, 2^214020688 is an apocalyptic number.

214020688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

214020688 is an abundant number, since it is smaller than the sum of its proper divisors (259882512).

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

214020688 is a wasteful number, since it uses less digits than its factorization.

214020688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910914 (or 1910908 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 214020688 is about 14629.4459225222. The cubic root of 214020688 is about 598.1616770707.

The spelling of 214020688 in words is "two hundred fourteen million, twenty thousand, six hundred eighty-eight".