2049318 has 24 divisors (see below), whose sum is σ = 4467528. Its totient is φ = 678912.

The previous prime is 2049301. The next prime is 2049331. The reversal of 2049318 is 8139402.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2049291 and 2049300.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 4405 + ... + 4847.

It is an arithmetic number, because the mean of its divisors is an integer number (186147).

2^2049318 is an apocalyptic number.

2049318 is an abundant number, since it is smaller than the sum of its proper divisors (2418210).

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

2049318 is a wasteful number, since it uses less digits than its factorization.

With its successor (2049319) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (705).

2049318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2049318 is about 1431.5439217851. The cubic root of 2049318 is about 127.0193204326.

The spelling of 2049318 in words is "two million, forty-nine thousand, three hundred eighteen".