641326 has 16 divisors (see below), whose sum is σ = 1157760. Its totient is φ = 260280.

The previous prime is 641317. The next prime is 641327. The reversal of 641326 is 623146.

641326 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 2×641326² = 822598076552, which contains 22 as substring.

It is a plaindrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 641297 and 641306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641327) 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, 940 + ... + 1471.

It is an arithmetic number, because the mean of its divisors is an integer number (72360).

2⁶⁴¹³²⁶ is an apocalyptic number.

641326 is a deficient number, since it is larger than the sum of its proper divisors (516434).

641326 is a wasteful number, since it uses less digits than its factorization.

641326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439.

The product of its digits is 864, while the sum is 22.

The square root of 641326 is about 800.8283211775. The cubic root of 641326 is about 86.2368628034.

The spelling of 641326 in words is "six hundred forty-one thousand, three hundred twenty-six".