305274 has 16 divisors (see below), whose sum is σ = 618912. Its totient is φ = 100368.

The previous prime is 305267. The next prime is 305281. The reversal of 305274 is 472503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (305267) and next prime (305281).

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

It is a self number, because there is not a number n which added to its sum of digits gives 305274.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 305274.

It is an unprimeable number.

305274 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 7 ways as a sum of consecutive naturals, for example, 192 + ... + 804.

It is an arithmetic number, because the mean of its divisors is an integer number (38682).

2³⁰⁵²⁷⁴ is an apocalyptic number.

305274 is an abundant number, since it is smaller than the sum of its proper divisors (313638).

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

305274 is a wasteful number, since it uses less digits than its factorization.

305274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 305274 is about 552.5160631149. The cubic root of 305274 is about 67.3333061029. Note that the first 4 decimals are identical.

Adding to 305274 its reverse (472503), we get a palindrome (777777).

The spelling of 305274 in words is "three hundred five thousand, two hundred seventy-four".