2011340 has 48 divisors (see below), whose sum is σ = 4569600. Its totient is φ = 741312.

The previous prime is 2011333. The next prime is 2011363. The reversal of 2011340 is 431102.

2011340 = T₁₈₅ + T₁₈₆ + ... + T₂₆₃.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 25421 + ... + 25499.

It is an arithmetic number, because the mean of its divisors is an integer number (95200).

2^2011340 is an apocalyptic number.

2011340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2284800).

2011340 is an abundant number, since it is smaller than the sum of its proper divisors (2558260).

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

2011340 is a wasteful number, since it uses less digits than its factorization.

2011340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2011340 is about 1418.2171907011. The cubic root of 2011340 is about 126.2297814239.

Adding to 2011340 its reverse (431102), we get a palindrome (2442442).

The spelling of 2011340 in words is "two million, eleven thousand, three hundred forty".