2842138 has 8 divisors (see below), whose sum is σ = 4591188. Its totient is φ = 1311744.

The previous prime is 2842127. The next prime is 2842139. The reversal of 2842138 is 8312482.

It can be written as a sum of positive squares in 2 ways, for example, as 2229049 + 613089 = 1493^2 + 783^2 .

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

It is a super-2 number, since 2×2842138² = 16155496822088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2842139) 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, 54631 + ... + 54682.

2^2842138 is an apocalyptic number.

2842138 is a deficient number, since it is larger than the sum of its proper divisors (1749050).

2842138 is a wasteful number, since it uses less digits than its factorization.

2842138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109328.

The product of its digits is 3072, while the sum is 28.

The square root of 2842138 is about 1685.8641700920. The cubic root of 2842138 is about 141.6495025726.

The spelling of 2842138 in words is "two million, eight hundred forty-two thousand, one hundred thirty-eight".