214388851 has 4 divisors (see below), whose sum is σ = 221781600. Its totient is φ = 206996104.

The previous prime is 214388849. The next prime is 214388873. The reversal of 214388851 is 158883412.

214388851 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 214388851 - 2¹ = 214388849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214388821) 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, 3696331 + ... + 3696388.

It is an arithmetic number, because the mean of its divisors is an integer number (55445400).

Almost surely, 2^214388851 is an apocalyptic number.

214388851 is a deficient number, since it is larger than the sum of its proper divisors (7392749).

214388851 is an equidigital number, since it uses as much as digits as its factorization.

214388851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392748.

The product of its digits is 61440, while the sum is 40.

The square root of 214388851 is about 14642.0234598911. The cubic root of 214388851 is about 598.5044707881.

The spelling of 214388851 in words is "two hundred fourteen million, three hundred eighty-eight thousand, eight hundred fifty-one".