306042 has 16 divisors (see below), whose sum is σ = 667872. Its totient is φ = 92720.

The previous prime is 306041. The next prime is 306049. The reversal of 306042 is 240603.

It is not an unprimeable number, because it can be changed into a prime (306041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2253 + ... + 2384.

It is an arithmetic number, because the mean of its divisors is an integer number (41742).

2³⁰⁶⁰⁴² is an apocalyptic number.

306042 is an abundant number, since it is smaller than the sum of its proper divisors (361830).

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

306042 is a wasteful number, since it uses less digits than its factorization.

306042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 306042 is about 553.2106289651. The cubic root of 306042 is about 67.3897239159.

Adding to 306042 its reverse (240603), we get a palindrome (546645).

The spelling of 306042 in words is "three hundred six thousand, forty-two".