327693993 has 16 divisors (see below), whose sum is σ = 477048000. Its totient is φ = 198434880.

The previous prime is 327693983. The next prime is 327694001. The reversal of 327693993 is 399396723.

It is not a de Polignac number, because 327693993 - 2⁶ = 327693929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (327693953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43683 + ... + 50631.

It is an arithmetic number, because the mean of its divisors is an integer number (29815500).

Almost surely, 2^327693993 is an apocalyptic number.

327693993 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

327693993 is a deficient number, since it is larger than the sum of its proper divisors (149354007).

327693993 is a wasteful number, since it uses less digits than its factorization.

327693993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8392.

The product of its digits is 1653372, while the sum is 51.

The square root of 327693993 is about 18102.3200999209. The cubic root of 327693993 is about 689.4289141486.

The spelling of 327693993 in words is "three hundred twenty-seven million, six hundred ninety-three thousand, nine hundred ninety-three".