2066418 has 32 divisors (see below), whose sum is σ = 4864320. Its totient is φ = 648000.

The previous prime is 2066399. The next prime is 2066419. The reversal of 2066418 is 8146602.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2066391 and 2066400.

It is not an unprimeable number, because it can be changed into a prime (2066419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (152010).

2^2066418 is an apocalyptic number.

2066418 is an abundant number, since it is smaller than the sum of its proper divisors (2797902).

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

2066418 is a wasteful number, since it uses less digits than its factorization.

2066418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2066418 is about 1437.5040869507. The cubic root of 2066418 is about 127.3716355144.

The spelling of 2066418 in words is "two million, sixty-six thousand, four hundred eighteen".