340089 has 4 divisors (see below), whose sum is σ = 453456. Its totient is φ = 226724.

The previous prime is 340079. The next prime is 340103. The reversal of 340089 is 980043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 980043 = 3 ⋅326681.

It is a cyclic number.

It is not a de Polignac number, because 340089 - 2⁴ = 340073 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (340049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56679 + ... + 56684.

It is an arithmetic number, because the mean of its divisors is an integer number (113364).

2³⁴⁰⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

340089 is a deficient number, since it is larger than the sum of its proper divisors (113367).

340089 is a wasteful number, since it uses less digits than its factorization.

340089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113366.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 340089 is about 583.1715013613. The cubic root of 340089 is about 69.8014099216.

The spelling of 340089 in words is "three hundred forty thousand, eighty-nine".