214636893 has 4 divisors (see below), whose sum is σ = 286182528. Its totient is φ = 143091260.

The previous prime is 214636879. The next prime is 214636907. The reversal of 214636893 is 398636412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (214636879) and next prime (214636907).

It is a cyclic number.

It is not a de Polignac number, because 214636893 - 2¹⁸ = 214374749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214636813) 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, 35772813 + ... + 35772818.

It is an arithmetic number, because the mean of its divisors is an integer number (71545632).

Almost surely, 2^214636893 is an apocalyptic number.

It is an amenable number.

214636893 is a deficient number, since it is larger than the sum of its proper divisors (71545635).

214636893 is an equidigital number, since it uses as much as digits as its factorization.

214636893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71545634.

The product of its digits is 186624, while the sum is 42.

The square root of 214636893 is about 14650.4912204335. The cubic root of 214636893 is about 598.7351995621.

The spelling of 214636893 in words is "two hundred fourteen million, six hundred thirty-six thousand, eight hundred ninety-three".