943489 has 4 divisors (see below), whose sum is σ = 954180. Its totient is φ = 932800.

The previous prime is 943477. The next prime is 943499. The reversal of 943489 is 984349.

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 501264 + 442225 = 708^2 + 665^2 .

It is a cyclic number.

It is not a de Polignac number, because 943489 - 2¹¹ = 941441 is a prime.

It is a Duffinian number.

943489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (943409) 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, 5212 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (238545).

2⁹⁴³⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

943489 is a deficient number, since it is larger than the sum of its proper divisors (10691).

943489 is a wasteful number, since it uses less digits than its factorization.

943489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10690.

The product of its digits is 31104, while the sum is 37.

The square root of 943489 is about 971.3336193090. Note that the first 3 decimals coincide. The cubic root of 943489 is about 98.0796589582.

The spelling of 943489 in words is "nine hundred forty-three thousand, four hundred eighty-nine".