300385 has 4 divisors (see below), whose sum is σ = 360468. Its totient is φ = 240304.

The previous prime is 300367. The next prime is 300397. The reversal of 300385 is 583003.

300385 = T₄₄₆ + T₄₄₇ + T₄₄₈.

300385 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 583003 = 179 ⋅3257.

It can be written as a sum of positive squares in 2 ways, for example, as 112896 + 187489 = 336^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 300385 - 2¹⁷ = 169313 is a prime.

It is a super-2 number, since 2×300385² = 180462296450, which contains 22 as substring.

It is a Duffinian number.

300385 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30034 + ... + 30043.

It is an arithmetic number, because the mean of its divisors is an integer number (90117).

2³⁰⁰³⁸⁵ is an apocalyptic number.

300385 is the 448-th centered triangular number.

It is an amenable number.

300385 is a deficient number, since it is larger than the sum of its proper divisors (60083).

300385 is an equidigital number, since it uses as much as digits as its factorization.

300385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60082.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 300385 is about 548.0739001266. The cubic root of 300385 is about 66.9719196207.

Adding to 300385 its reverse (583003), we get a palindrome (883388).

It can be divided in two parts, 3003 and 85, that multiplied together give a triangular number (255255 = T₇₁₄).

The spelling of 300385 in words is "three hundred thousand, three hundred eighty-five".