830042 has 8 divisors (see below), whose sum is σ = 1318356. Its totient is φ = 390592.

The previous prime is 830041. The next prime is 830051. The reversal of 830042 is 240038.

830042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 829921 + 121 = 911^2 + 11^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 830042.

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 3 ways as a sum of consecutive naturals, for example, 12173 + ... + 12240.

2⁸³⁰⁰⁴² is an apocalyptic number.

830042 is a deficient number, since it is larger than the sum of its proper divisors (488314).

830042 is a wasteful number, since it uses less digits than its factorization.

830042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24432.

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

The square root of 830042 is about 911.0664081174. The cubic root of 830042 is about 93.9795488933.

The spelling of 830042 in words is "eight hundred thirty thousand, forty-two".