214828667 has 6 divisors (see below), whose sum is σ = 221983164. Its totient is φ = 207897780.

The previous prime is 214828661. The next prime is 214828709. The reversal of 214828667 is 766828412.

It is a de Polignac number, because none of the positive numbers 2^k-214828667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214828661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110813 + ... + 112734.

It is an arithmetic number, because the mean of its divisors is an integer number (36997194).

Almost surely, 2^214828667 is an apocalyptic number.

214828667 is a deficient number, since it is larger than the sum of its proper divisors (7154497).

214828667 is an equidigital number, since it uses as much as digits as its factorization.

214828667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223609 (or 223578 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 214828667 is about 14657.0347273929. The cubic root of 214828667 is about 598.9134660016.

The spelling of 214828667 in words is "two hundred fourteen million, eight hundred twenty-eight thousand, six hundred sixty-seven".