214055399 has 4 divisors (see below), whose sum is σ = 216019320. Its totient is φ = 212091480.

The previous prime is 214055389. The next prime is 214055417. The reversal of 214055399 is 993550412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214055399 - 2¹² = 214051303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214055339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981797 + ... + 982014.

It is an arithmetic number, because the mean of its divisors is an integer number (54004830).

Almost surely, 2^214055399 is an apocalyptic number.

214055399 is a deficient number, since it is larger than the sum of its proper divisors (1963921).

214055399 is a wasteful number, since it uses less digits than its factorization.

214055399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963920.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 214055399 is about 14630.6322146379. The cubic root of 214055399 is about 598.1940129908.

The spelling of 214055399 in words is "two hundred fourteen million, fifty-five thousand, three hundred ninety-nine".