305494 has 8 divisors (see below), whose sum is σ = 523728. Its totient is φ = 130920.

The previous prime is 305489. The next prime is 305497. The reversal of 305494 is 494503.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305497) 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, 10897 + ... + 10924.

It is an arithmetic number, because the mean of its divisors is an integer number (65466).

2³⁰⁵⁴⁹⁴ is an apocalyptic number.

305494 is a deficient number, since it is larger than the sum of its proper divisors (218234).

305494 is a wasteful number, since it uses less digits than its factorization.

305494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21830.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 305494 is about 552.7151164931. The cubic root of 305494 is about 67.3494771168.

Adding to 305494 its reverse (494503), we get a palindrome (799997).

The spelling of 305494 in words is "three hundred five thousand, four hundred ninety-four".