2042418 has 24 divisors (see below), whose sum is σ = 4752432. Its totient is φ = 583464.

The previous prime is 2042401. The next prime is 2042419. The reversal of 2042418 is 8142402.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2042394 and 2042403.

It is not an unprimeable number, because it can be changed into a prime (2042419) 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 11 ways as a sum of consecutive naturals, for example, 3180 + ... + 3767.

It is an arithmetic number, because the mean of its divisors is an integer number (198018).

2^2042418 is an apocalyptic number.

2042418 is an abundant number, since it is smaller than the sum of its proper divisors (2710014).

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

2042418 is a wasteful number, since it uses less digits than its factorization.

2042418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966 (or 6959 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2042418 is about 1429.1319043391. The cubic root of 2042418 is about 126.8766032298.

The spelling of 2042418 in words is "two million, forty-two thousand, four hundred eighteen".