8042418 has 24 divisors (see below), whose sum is σ = 17498988. Its totient is φ = 2669472.

The previous prime is 8042413. The next prime is 8042443. The reversal of 8042418 is 8142408.

It can be written as a sum of positive squares in 2 ways, for example, as 7935489 + 106929 = 2817^2 + 327^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8042391 and 8042400.

It is not an unprimeable number, because it can be changed into a prime (8042413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4180 + ... + 5792.

Almost surely, 2^8042418 is an apocalyptic number.

8042418 is an abundant number, since it is smaller than the sum of its proper divisors (9456570).

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

8042418 is a wasteful number, since it uses less digits than its factorization.

8042418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 8042418 is about 2835.9157251230. The cubic root of 8042418 is about 200.3528604148.

The spelling of 8042418 in words is "eight million, forty-two thousand, four hundred eighteen".