214866047 has 4 divisors (see below), whose sum is σ = 234399336. Its totient is φ = 195332760.

The previous prime is 214866037. The next prime is 214866059. The reversal of 214866047 is 740668412.

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 214866047 - 2⁴ = 214866031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214866047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214866037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9766628 + ... + 9766649.

It is an arithmetic number, because the mean of its divisors is an integer number (58599834).

Almost surely, 2^214866047 is an apocalyptic number.

214866047 is a deficient number, since it is larger than the sum of its proper divisors (19533289).

214866047 is a wasteful number, since it uses less digits than its factorization.

214866047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19533288.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 214866047 is about 14658.3098275347. The cubic root of 214866047 is about 598.9482007933.

The spelling of 214866047 in words is "two hundred fourteen million, eight hundred sixty-six thousand, forty-seven".