300042 has 24 divisors (see below), whose sum is σ = 661440. Its totient is φ = 98280.

The previous prime is 300023. The next prime is 300043. The reversal of 300042 is 240003.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 299997 and 300033.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 300042.

It is not an unprimeable number, because it can be changed into a prime (300043) by changing a digit.

300042 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 in 11 ways as a sum of consecutive naturals, for example, 1317 + ... + 1527.

It is an arithmetic number, because the mean of its divisors is an integer number (27560).

2³⁰⁰⁰⁴² is an apocalyptic number.

300042 is an abundant number, since it is smaller than the sum of its proper divisors (361398).

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

300042 is a wasteful number, since it uses less digits than its factorization.

300042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 300042 is about 547.7608967424. The cubic root of 300042 is about 66.9464188829.

Adding to 300042 its reverse (240003), we get a palindrome (540045).

The spelling of 300042 in words is "three hundred thousand, forty-two", and thus it is an iban number.