2010918 has 64 divisors (see below), whose sum is σ = 5160960. Its totient is φ = 508032.

The previous prime is 2010901. The next prime is 2010923. The reversal of 2010918 is 8190102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2010894 and 2010903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15771 + ... + 15897.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2^2010918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2010918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580480).

2010918 is an abundant number, since it is smaller than the sum of its proper divisors (3150042).

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

2010918 is a wasteful number, since it uses less digits than its factorization.

2010918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2010918 is about 1418.0684045560. The cubic root of 2010918 is about 126.2209527004.

The spelling of 2010918 in words is "two million, ten thousand, nine hundred eighteen".