2043818 has 8 divisors (see below), whose sum is σ = 3503712. Its totient is φ = 875916.

The previous prime is 2043817. The next prime is 2043841. The reversal of 2043818 is 8183402.

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

It is not an unprimeable number, because it can be changed into a prime (2043817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72980 + ... + 73007.

It is an arithmetic number, because the mean of its divisors is an integer number (437964).

2^2043818 is an apocalyptic number.

2043818 is a deficient number, since it is larger than the sum of its proper divisors (1459894).

2043818 is a wasteful number, since it uses less digits than its factorization.

2043818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145996.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2043818 is about 1429.6216282639. The cubic root of 2043818 is about 126.9055863068.

The spelling of 2043818 in words is "two million, forty-three thousand, eight hundred eighteen".