646214 has 8 divisors (see below), whose sum is σ = 979608. Its totient is φ = 319680.

The previous prime is 646199. The next prime is 646237. The reversal of 646214 is 412646.

It is a happy number.

646214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 646214.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 646214.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472 + ... + 1859.

It is an arithmetic number, because the mean of its divisors is an integer number (122451).

2⁶⁴⁶²¹⁴ is an apocalyptic number.

646214 is a deficient number, since it is larger than the sum of its proper divisors (333394).

646214 is a wasteful number, since it uses less digits than its factorization.

646214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430.

The product of its digits is 1152, while the sum is 23.

The square root of 646214 is about 803.8743682940. The cubic root of 646214 is about 86.4553992843.

The spelling of 646214 in words is "six hundred forty-six thousand, two hundred fourteen".