830389 has 8 divisors (see below), whose sum is σ = 954560. Its totient is φ = 707616.

The previous prime is 830387. The next prime is 830411. The reversal of 830389 is 983038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 830389 - 2¹ = 830387 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 830389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002 + ... + 2380.

It is an arithmetic number, because the mean of its divisors is an integer number (119320).

2⁸³⁰³⁸⁹ is an apocalyptic number.

It is an amenable number.

830389 is a deficient number, since it is larger than the sum of its proper divisors (124171).

830389 is a wasteful number, since it uses less digits than its factorization.

830389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 830389 is about 911.2568243915. The cubic root of 830389 is about 93.9926431544.

The spelling of 830389 in words is "eight hundred thirty thousand, three hundred eighty-nine".