214893863 has 4 divisors (see below), whose sum is σ = 215840760. Its totient is φ = 213946968.

The previous prime is 214893839. The next prime is 214893869. The reversal of 214893863 is 368398412.

214893863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 214893863 - 2¹⁸ = 214631719 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 (214893869) 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, 473108 + ... + 473561.

It is an arithmetic number, because the mean of its divisors is an integer number (53960190).

Almost surely, 2^214893863 is an apocalyptic number.

214893863 is a deficient number, since it is larger than the sum of its proper divisors (946897).

214893863 is an equidigital number, since it uses as much as digits as its factorization.

214893863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946896.

The product of its digits is 248832, while the sum is 44.

The square root of 214893863 is about 14659.2586101753. The cubic root of 214893863 is about 598.9740457705.

It can be divided in two parts, 21489 and 3863, that added together give a palindrome (25352).

The spelling of 214893863 in words is "two hundred fourteen million, eight hundred ninety-three thousand, eight hundred sixty-three".