326605401 has 24 divisors (see below), whose sum is σ = 488277504. Its totient is φ = 210206880.

The previous prime is 326605399. The next prime is 326605403. The reversal of 326605401 is 104506623.

It is an interprime number because it is at equal distance from previous prime (326605399) and next prime (326605403).

It is not a de Polignac number, because 326605401 - 2¹ = 326605399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (326605403) 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 23 ways as a sum of consecutive naturals, for example, 39880 + ... + 47366.

It is an arithmetic number, because the mean of its divisors is an integer number (20344896).

Almost surely, 2^326605401 is an apocalyptic number.

It is an amenable number.

326605401 is a deficient number, since it is larger than the sum of its proper divisors (161672103).

326605401 is a wasteful number, since it uses less digits than its factorization.

326605401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7661 (or 7658 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 326605401 is about 18072.2273392075. The cubic root of 326605401 is about 688.6646448310.

The spelling of 326605401 in words is "three hundred twenty-six million, six hundred five thousand, four hundred one".