193320379 has 16 divisors (see below), whose sum is σ = 234372096. Its totient is φ = 155664000.

The previous prime is 193320377. The next prime is 193320397. The reversal of 193320379 is 973023391.

It is a cyclic number.

It is not a de Polignac number, because 193320379 - 2¹ = 193320377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (193320373) 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, 81054 + ... + 83404.

It is an arithmetic number, because the mean of its divisors is an integer number (14648256).

Almost surely, 2^193320379 is an apocalyptic number.

193320379 is a deficient number, since it is larger than the sum of its proper divisors (41051717).

193320379 is a wasteful number, since it uses less digits than its factorization.

193320379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 193320379 is about 13903.9699007154. The cubic root of 193320379 is about 578.2192498845.

The spelling of 193320379 in words is "one hundred ninety-three million, three hundred twenty thousand, three hundred seventy-nine".