830240 has 24 divisors (see below), whose sum is σ = 1961820. Its totient is φ = 332032.

The previous prime is 830237. The next prime is 830257. The reversal of 830240 is 42038.

It can be written as a sum of positive squares in 2 ways, for example, as 824464 + 5776 = 908^2 + 76^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2435 + ... + 2754.

2⁸³⁰²⁴⁰ is an apocalyptic number.

830240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

830240 is an abundant number, since it is smaller than the sum of its proper divisors (1131580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

830240 is a wasteful number, since it uses less digits than its factorization.

830240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204 (or 5196 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 830240 is about 911.1750655061. The cubic root of 830240 is about 93.9870209936.

Adding to 830240 its reverse (42038), we get a palindrome (872278).

The spelling of 830240 in words is "eight hundred thirty thousand, two hundred forty".