305076 has 12 divisors (see below), whose sum is σ = 711872. Its totient is φ = 101688.

The previous prime is 305069. The next prime is 305093. The reversal of 305076 is 670503.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

305076 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12700 + ... + 12723.

2³⁰⁵⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

305076 is an abundant number, since it is smaller than the sum of its proper divisors (406796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305076 is a wasteful number, since it uses less digits than its factorization.

305076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25430 (or 25428 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 305076 is about 552.3368537405. The cubic root of 305076 is about 67.3187455463.

Adding to 305076 its reverse (670503), we get a palindrome (975579).

The spelling of 305076 in words is "three hundred five thousand, seventy-six".