302089 has 4 divisors (see below), whose sum is σ = 303940. Its totient is φ = 300240.

The previous prime is 302053. The next prime is 302111. The reversal of 302089 is 980203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60025 + 242064 = 245^2 + 492^2 .

It is a cyclic number.

It is not a de Polignac number, because 302089 - 2⁹ = 301577 is a prime.

It is a Duffinian number.

302089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (302009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (75985).

2³⁰²⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

302089 is a deficient number, since it is larger than the sum of its proper divisors (1851).

302089 is a wasteful number, since it uses less digits than its factorization.

302089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 302089 is about 549.6262366372. The cubic root of 302089 is about 67.0983185621.

The spelling of 302089 in words is "three hundred two thousand, eighty-nine".