307089 has 12 divisors (see below), whose sum is σ = 448500. Its totient is φ = 202464.

The previous prime is 307079. The next prime is 307091. The reversal of 307089 is 980703.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 166464 + 140625 = 408^2 + 375^2 .

It is not a de Polignac number, because 307089 - 2⁹ = 306577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (307009) 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, 1227 + ... + 1455.

It is an arithmetic number, because the mean of its divisors is an integer number (37375).

2³⁰⁷⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

307089 is a deficient number, since it is larger than the sum of its proper divisors (141411).

307089 is a wasteful number, since it uses less digits than its factorization.

307089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 307089 is about 554.1561151878. The cubic root of 307089 is about 67.4664854200.

The spelling of 307089 in words is "three hundred seven thousand, eighty-nine".