326155 has 16 divisors (see below), whose sum is σ = 421344. Its totient is φ = 241920.

The previous prime is 326153. The next prime is 326159. The reversal of 326155 is 551623.

It is a happy number.

It is not a de Polignac number, because 326155 - 2¹ = 326153 is a prime.

It is a Duffinian number.

326155 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7564 + ... + 7606.

It is an arithmetic number, because the mean of its divisors is an integer number (26334).

326155 is a Friedman number, since it can be written as 65231*5, using all its digits and the basic arithmetic operations.

2³²⁶¹⁵⁵ is an apocalyptic number.

326155 is a deficient number, since it is larger than the sum of its proper divisors (95189).

326155 is a wasteful number, since it uses less digits than its factorization.

326155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126.

The product of its digits is 900, while the sum is 22.

The square root of 326155 is about 571.0998161443. The cubic root of 326155 is about 68.8347934478.

Adding to 326155 its reverse (551623), we get a palindrome (877778).

The spelling of 326155 in words is "three hundred twenty-six thousand, one hundred fifty-five".