326004401 has 16 divisors (see below), whose sum is σ = 341644800. Its totient is φ = 310728960.

The previous prime is 326004389. The next prime is 326004403. The reversal of 326004401 is 104400623.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 326004401 - 2¹⁴ = 325988017 is a prime.

326004401 is a modest number, since divided by 4401 gives 326 as remainder.

It is not an unprimeable number, because it can be changed into a prime (326004403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752681 + ... + 753113.

It is an arithmetic number, because the mean of its divisors is an integer number (21352800).

Almost surely, 2^326004401 is an apocalyptic number.

326004401 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

326004401 is a deficient number, since it is larger than the sum of its proper divisors (15640399).

326004401 is a wasteful number, since it uses less digits than its factorization.

326004401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

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

The square root of 326004401 is about 18055.5919592795. The cubic root of 326004401 is about 688.2419721088.

The spelling of 326004401 in words is "three hundred twenty-six million, four thousand, four hundred one".