330409379 has 4 divisors (see below), whose sum is σ = 332931720. Its totient is φ = 327887040.

The previous prime is 330409369. The next prime is 330409393. The reversal of 330409379 is 973904033.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 330409379 - 2²⁰ = 329360803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330409319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260974 + ... + 1261235.

It is an arithmetic number, because the mean of its divisors is an integer number (83232930).

Almost surely, 2^330409379 is an apocalyptic number.

330409379 is a deficient number, since it is larger than the sum of its proper divisors (2522341).

330409379 is a wasteful number, since it uses less digits than its factorization.

330409379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522340.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 330409379 is about 18177.1664183392. The cubic root of 330409379 is about 691.3279606913.

The spelling of 330409379 in words is "three hundred thirty million, four hundred nine thousand, three hundred seventy-nine".