641034 has 24 divisors (see below), whose sum is σ = 1441440. Its totient is φ = 213516.

The previous prime is 640993. The next prime is 641051. The reversal of 641034 is 430146.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 640998 and 641016.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 641034.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (60060).

2⁶⁴¹⁰³⁴ is an apocalyptic number.

641034 is an abundant number, since it is smaller than the sum of its proper divisors (800406).

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

641034 is a wasteful number, since it uses less digits than its factorization.

641034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 641034 is about 800.6459891862. The cubic root of 641034 is about 86.2237727439.

The spelling of 641034 in words is "six hundred forty-one thousand, thirty-four".