214906384 has 160 divisors (see below), whose sum is σ = 569106432. Its totient is φ = 76032000.

The previous prime is 214906381. The next prime is 214906399. The reversal of 214906384 is 483609412.

It is not an unprimeable number, because it can be changed into a prime (214906381) 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 31 ways as a sum of consecutive naturals, for example, 649099 + ... + 649429.

Almost surely, 2^214906384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214906384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284553216).

214906384 is an abundant number, since it is smaller than the sum of its proper divisors (354200048).

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

214906384 is a wasteful number, since it uses less digits than its factorization.

214906384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 214906384 is about 14659.6856719372. The cubic root of 214906384 is about 598.9856788131.

The spelling of 214906384 in words is "two hundred fourteen million, nine hundred six thousand, three hundred eighty-four".