646014 has 16 divisors (see below), whose sum is σ = 1312128. Its totient is φ = 211992.

The previous prime is 646013. The next prime is 646027. The reversal of 646014 is 410646.

It is a Curzon number.

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 646014.

It is not an unprimeable number, because it can be changed into a prime (646013) 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, 402 + ... + 1205.

It is an arithmetic number, because the mean of its divisors is an integer number (82008).

2⁶⁴⁶⁰¹⁴ is an apocalyptic number.

646014 is an abundant number, since it is smaller than the sum of its proper divisors (666114).

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

646014 is a wasteful number, since it uses less digits than its factorization.

646014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 646014 is about 803.7499611198. The cubic root of 646014 is about 86.4464791928.

The spelling of 646014 in words is "six hundred forty-six thousand, fourteen".