830040 has 32 divisors (see below), whose sum is σ = 2490480. Its totient is φ = 221312.

The previous prime is 830017. The next prime is 830041. The reversal of 830040 is 40038.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830041) 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, 3339 + ... + 3578.

2⁸³⁰⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

830040 is an abundant number, since it is smaller than the sum of its proper divisors (1660440).

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

830040 is a wasteful number, since it uses less digits than its factorization.

830040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6931 (or 6927 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 830040 is about 911.0653105019. The cubic root of 830040 is about 93.9794734114.

Adding to 830040 its reverse (40038), we get a palindrome (870078).

The spelling of 830040 in words is "eight hundred thirty thousand, forty".