326605983 has 24 divisors (see below), whose sum is σ = 480874800. Its totient is φ = 197028480.

The previous prime is 326605973. The next prime is 326605997. The reversal of 326605983 is 389506623.

It is not a de Polignac number, because 326605983 - 2⁴ = 326605967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326605943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81163 + ... + 85091.

It is an arithmetic number, because the mean of its divisors is an integer number (20036450).

Almost surely, 2^326605983 is an apocalyptic number.

326605983 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

326605983 is a deficient number, since it is larger than the sum of its proper divisors (154268817).

326605983 is a wasteful number, since it uses less digits than its factorization.

326605983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183 (or 4172 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 326605983 is about 18072.2434412554. The cubic root of 326605983 is about 688.6650538900.

The spelling of 326605983 in words is "three hundred twenty-six million, six hundred five thousand, nine hundred eighty-three".