2081418 has 8 divisors (see below), whose sum is σ = 4162848. Its totient is φ = 693804.

The previous prime is 2081407. The next prime is 2081423. The reversal of 2081418 is 8141802.

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

2081418 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 173446 + ... + 173457.

It is an arithmetic number, because the mean of its divisors is an integer number (520356).

2^2081418 is an apocalyptic number.

2081418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2081418 is a wasteful number, since it uses less digits than its factorization.

2081418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346908.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 2081418 is about 1442.7120294778. The cubic root of 2081418 is about 127.6790870517.

The spelling of 2081418 in words is "two million, eighty-one thousand, four hundred eighteen".