304534089 has 12 divisors (see below), whose sum is σ = 444239172. Its totient is φ = 201012000.

The previous prime is 304534079. The next prime is 304534157. The reversal of 304534089 is 980435403.

304534089 is a `hidden beast` number, since 304 + 5 + 340 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 163328400 + 141205689 = 12780^2 + 11883^2 .

It is not a de Polignac number, because 304534089 - 2⁵ = 304534057 is a prime.

It is a super-2 number, since 2×304534089² = 185482022726119842, which contains 22 as substring.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (304534079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166602 + ... + 168419.

It is an arithmetic number, because the mean of its divisors is an integer number (37019931).

Almost surely, 2^304534089 is an apocalyptic number.

It is an amenable number.

304534089 is a deficient number, since it is larger than the sum of its proper divisors (139705083).

304534089 is a wasteful number, since it uses less digits than its factorization.

304534089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335128 (or 335125 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 304534089 is about 17450.9051054666. The cubic root of 304534089 is about 672.7886216154.

The spelling of 304534089 in words is "three hundred four million, five hundred thirty-four thousand, eighty-nine".