669214 has 16 divisors (see below), whose sum is σ = 1235808. Its totient is φ = 264672.

The previous prime is 669181. The next prime is 669241. The reversal of 669214 is 412966.

669214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657 + ... + 2020.

It is an arithmetic number, because the mean of its divisors is an integer number (77238).

2⁶⁶⁹²¹⁴ is an apocalyptic number.

669214 is a deficient number, since it is larger than the sum of its proper divisors (566594).

669214 is a wasteful number, since it uses less digits than its factorization.

669214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699.

The product of its digits is 2592, while the sum is 28.

The square root of 669214 is about 818.0550103752. The cubic root of 669214 is about 87.4691700910.

The spelling of 669214 in words is "six hundred sixty-nine thousand, two hundred fourteen".