304995 has 8 divisors (see below), whose sum is σ = 488016. Its totient is φ = 162656.

The previous prime is 304981. The next prime is 305017. The reversal of 304995 is 599403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 304995 - 2⁴ = 304979 is a prime.

304995 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10152 + ... + 10181.

It is an arithmetic number, because the mean of its divisors is an integer number (61002).

2³⁰⁴⁹⁹⁵ is an apocalyptic number.

304995 is a deficient number, since it is larger than the sum of its proper divisors (183021).

304995 is a wasteful number, since it uses less digits than its factorization.

304995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20341.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 304995 is about 552.2635240535. The cubic root of 304995 is about 67.3127871392.

The spelling of 304995 in words is "three hundred four thousand, nine hundred ninety-five".