304895 has 12 divisors (see below), whose sum is σ = 390504. Its totient is φ = 228480.

The previous prime is 304883. The next prime is 304897. The reversal of 304895 is 598403.

It is not a de Polignac number, because 304895 - 2⁴ = 304879 is a prime.

It is a super-2 number, since 2×304895² = 185921922050, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304897) 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 11 ways as a sum of consecutive naturals, for example, 1340 + ... + 1550.

It is an arithmetic number, because the mean of its divisors is an integer number (32542).

2³⁰⁴⁸⁹⁵ is an apocalyptic number.

304895 is a deficient number, since it is larger than the sum of its proper divisors (85609).

304895 is a wasteful number, since it uses less digits than its factorization.

304895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 304895 is about 552.1729801430. The cubic root of 304895 is about 67.3054296257.

The spelling of 304895 in words is "three hundred four thousand, eight hundred ninety-five".