830078 has 4 divisors (see below), whose sum is σ = 1245120. Its totient is φ = 415038.

The previous prime is 830051. The next prime is 830099. The reversal of 830078 is 870038.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 830078.

It is an unprimeable number.

830078 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207518 + ... + 207521.

It is an arithmetic number, because the mean of its divisors is an integer number (311280).

2⁸³⁰⁰⁷⁸ is an apocalyptic number.

830078 is a deficient number, since it is larger than the sum of its proper divisors (415042).

830078 is a wasteful number, since it uses less digits than its factorization.

830078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415041.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 830078 is about 911.0861649701. The cubic root of 830078 is about 93.9809075453.

The spelling of 830078 in words is "eight hundred thirty thousand, seventy-eight".