214648669 has 8 divisors (see below), whose sum is σ = 217687040. Its totient is φ = 211631616.

The previous prime is 214648573. The next prime is 214648697. The reversal of 214648669 is 966846412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214648669 - 2¹⁵ = 214615901 is a prime.

It is a super-2 number, since 2×214648669² = 92148102206943122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214648699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15517 + ... + 25885.

It is an arithmetic number, because the mean of its divisors is an integer number (27210880).

Almost surely, 2^214648669 is an apocalyptic number.

It is an amenable number.

214648669 is a deficient number, since it is larger than the sum of its proper divisors (3038371).

214648669 is a wasteful number, since it uses less digits than its factorization.

214648669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10659.

The product of its digits is 497664, while the sum is 46.

The square root of 214648669 is about 14650.8931127082. The cubic root of 214648669 is about 598.7461491813.

The spelling of 214648669 in words is "two hundred fourteen million, six hundred forty-eight thousand, six hundred sixty-nine".