2042538 has 48 divisors (see below), whose sum is σ = 4608576. Its totient is φ = 601920.

The previous prime is 2042531. The next prime is 2042549. The reversal of 2042538 is 8352402.

It is a super-2 number, since 2×2042538² = 8343922962888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2042531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49798 + ... + 49838.

It is an arithmetic number, because the mean of its divisors is an integer number (96012).

2^2042538 is an apocalyptic number.

2042538 is an abundant number, since it is smaller than the sum of its proper divisors (2566038).

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

2042538 is a wasteful number, since it uses less digits than its factorization.

2042538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2042538 is about 1429.1738872510. The cubic root of 2042538 is about 126.8790880125.

The spelling of 2042538 in words is "two million, forty-two thousand, five hundred thirty-eight".