214556864 has 28 divisors (see below), whose sum is σ = 450808344. Its totient is φ = 100967424.

The previous prime is 214556851. The next prime is 214556869. The reversal of 214556864 is 468655412.

It is not an unprimeable number, because it can be changed into a prime (214556869) by changing a digit.

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, 97514 + ... + 99689.

It is an arithmetic number, because the mean of its divisors is an integer number (16100298).

Almost surely, 2^214556864 is an apocalyptic number.

It is an amenable number.

214556864 is an abundant number, since it is smaller than the sum of its proper divisors (236251480).

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

214556864 is a wasteful number, since it uses less digits than its factorization.

214556864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197232 (or 197222 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 214556864 is about 14647.7596921850. The cubic root of 214556864 is about 598.6607759854.

The spelling of 214556864 in words is "two hundred fourteen million, five hundred fifty-six thousand, eight hundred sixty-four".