305379 has 6 divisors (see below), whose sum is σ = 441116. Its totient is φ = 203580.

The previous prime is 305377. The next prime is 305401. The reversal of 305379 is 973503.

It is not a de Polignac number, because 305379 - 2¹ = 305377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16957 + ... + 16974.

2³⁰⁵³⁷⁹ is an apocalyptic number.

305379 is a deficient number, since it is larger than the sum of its proper divisors (135737).

305379 is a wasteful number, since it uses less digits than its factorization.

305379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33937 (or 33934 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 27.

The square root of 305379 is about 552.6110748076. The cubic root of 305379 is about 67.3410250556.

The spelling of 305379 in words is "three hundred five thousand, three hundred seventy-nine".