3042138 has 16 divisors (see below), whose sum is σ = 6637536. Its totient is φ = 921840.

The previous prime is 3042107. The next prime is 3042157. The reversal of 3042138 is 8312403.

It is a happy number.

It is a super-2 number, since 2×3042138² = 18509207222088, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22981 + ... + 23112.

It is an arithmetic number, because the mean of its divisors is an integer number (414846).

Almost surely, 2^3042138 is an apocalyptic number.

3042138 is an abundant number, since it is smaller than the sum of its proper divisors (3595398).

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

3042138 is a wasteful number, since it uses less digits than its factorization.

3042138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46109.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3042138 is about 1744.1725832039. The cubic root of 3042138 is about 144.8970811485.

It can be divided in two parts, 304 and 2138, that added together give a palindrome (2442).

The spelling of 3042138 in words is "three million, forty-two thousand, one hundred thirty-eight".