326111401 has 16 divisors (see below), whose sum is σ = 408947328. Its totient is φ = 252633600.

The previous prime is 326111393. The next prime is 326111407. The reversal of 326111401 is 104111623.

It is a cyclic number.

It is not a de Polignac number, because 326111401 - 2³ = 326111393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326111407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081 + ... + 25561.

It is an arithmetic number, because the mean of its divisors is an integer number (25559208).

Almost surely, 2^326111401 is an apocalyptic number.

It is an amenable number.

326111401 is a deficient number, since it is larger than the sum of its proper divisors (82835927).

326111401 is a wasteful number, since it uses less digits than its factorization.

326111401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24672.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 326111401 is about 18058.5547871362. The cubic root of 326111401 is about 688.3172613129.

The spelling of 326111401 in words is "three hundred twenty-six million, one hundred eleven thousand, four hundred one".