646914 has 16 divisors (see below), whose sum is σ = 1304928. Its totient is φ = 213792.

The previous prime is 646913. The next prime is 646927. The reversal of 646914 is 419646.

646914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (646913) 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, 429 + ... + 1215.

It is an arithmetic number, because the mean of its divisors is an integer number (81558).

2⁶⁴⁶⁹¹⁴ is an apocalyptic number.

646914 is an abundant number, since it is smaller than the sum of its proper divisors (658014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

646914 is a wasteful number, since it uses less digits than its factorization.

646914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929.

The product of its digits is 5184, while the sum is 30.

The square root of 646914 is about 804.3096418669. The cubic root of 646914 is about 86.4866051184.

The spelling of 646914 in words is "six hundred forty-six thousand, nine hundred fourteen".