646062 has 32 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 200928.

The previous prime is 646039. The next prime is 646067. The reversal of 646062 is 260646.

It is a super-2 number, since 2×646062² = 834792215688, which contains 22 as substring.

It is an Ulam 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 646062.

It is not an unprimeable number, because it can be changed into a prime (646067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8139 + ... + 8217.

It is an arithmetic number, because the mean of its divisors is an integer number (43200).

2⁶⁴⁶⁰⁶² is an apocalyptic number.

646062 is an abundant number, since it is smaller than the sum of its proper divisors (736338).

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

646062 is a wasteful number, since it uses less digits than its factorization.

646062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 646062 is about 803.7798205977. The cubic root of 646062 is about 86.4486201827.

The spelling of 646062 in words is "six hundred forty-six thousand, sixty-two".