3000042 has 12 divisors (see below), whose sum is σ = 6500130. Its totient is φ = 1000008.

The previous prime is 3000029. The next prime is 3000047. The reversal of 3000042 is 2400003.

It can be written as a sum of positive squares in only one way, i.e., 2405601 + 594441 = 1551^2 + 771^2 .

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 = 2999988 and 3000033.

It is not an unprimeable number, because it can be changed into a prime (3000047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83317 + ... + 83352.

Almost surely, 2^3000042 is an apocalyptic number.

3000042 is an abundant number, since it is smaller than the sum of its proper divisors (3500088).

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

3000042 is a wasteful number, since it uses less digits than its factorization.

3000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166677 (or 166674 counting only the distinct ones).

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

The square root of 3000042 is about 1732.0629318821. The cubic root of 3000042 is about 144.2256300774.

Adding to 3000042 its reverse (2400003), we get a palindrome (5400045).

The spelling of 3000042 in words is "three million, forty-two", and thus it is an aban number and an uban number.