641234 has 8 divisors (see below), whose sum is σ = 1049328. Its totient is φ = 291460.

The previous prime is 641227. The next prime is 641239. The reversal of 641234 is 432146.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×641234² = 822362085512, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (641239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14552 + ... + 14595.

It is an arithmetic number, because the mean of its divisors is an integer number (131166).

2⁶⁴¹²³⁴ is an apocalyptic number.

641234 is a deficient number, since it is larger than the sum of its proper divisors (408094).

641234 is a wasteful number, since it uses less digits than its factorization.

641234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29160.

The product of its digits is 576, while the sum is 20.

The square root of 641234 is about 800.7708785914. The cubic root of 641234 is about 86.2327389669.

It can be divided in two parts, 6412 and 34, that added together give a palindrome (6446).

The spelling of 641234 in words is "six hundred forty-one thousand, two hundred thirty-four".