641334 has 16 divisors (see below), whose sum is σ = 1298160. Its totient is φ = 211200.

The previous prime is 641327. The next prime is 641371. The reversal of 641334 is 433146.

641334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641334² = 822618599112, which contains 22 as substring.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 641334.

It is a congruent number.

It is an unprimeable number.

641334 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67 + ... + 1134.

It is an arithmetic number, because the mean of its divisors is an integer number (81135).

2⁶⁴¹³³⁴ is an apocalyptic number.

641334 is an abundant number, since it is smaller than the sum of its proper divisors (656826).

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

641334 is a wasteful number, since it uses less digits than its factorization.

641334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295.

The product of its digits is 864, while the sum is 21.

The square root of 641334 is about 800.8333159903. The cubic root of 641334 is about 86.2372213793.

It can be divided in two parts, 6 and 41334, that multiplied together give a square (248004 = 498²).

The spelling of 641334 in words is "six hundred forty-one thousand, three hundred thirty-four".