2011434 has 16 divisors (see below), whose sum is σ = 4053888.
Its totient is φ = 665312.
The previous prime is 2011417. The next prime is 2011439. The reversal of 2011434 is 4341102.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2011439) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 402 + ... + 2045.
It is an arithmetic number, because the mean of its divisors is an integer number (253368).
22011434 is an apocalyptic number.
2011434 is an abundant number, since it is smaller than the sum of its proper divisors (2042454).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2011434 is a wasteful number, since it uses less digits than its factorization.
2011434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2589.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 2011434 is about 1418.2503305129.
The cubic root of 2011434 is about 126.2317478434.
Adding to 2011434 its reverse (4341102), we get a palindrome (6352536).
The spelling of 2011434 in words is "two million, eleven thousand, four hundred thirty-four".