2011734 has 24 divisors (see below), whose sum is σ = 4421352. Its totient is φ = 660960.

The previous prime is 2011733. The next prime is 2011753. The reversal of 2011734 is 4371102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549 + ... + 2079.

It is an arithmetic number, because the mean of its divisors is an integer number (184223).

2^2011734 is an apocalyptic number.

2011734 is an abundant number, since it is smaller than the sum of its proper divisors (2409618).

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

2011734 is a wasteful number, since it uses less digits than its factorization.

2011734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2011734 is about 1418.3560906909. The cubic root of 2011734 is about 126.2380232406.

Adding to 2011734 its reverse (4371102), we get a palindrome (6382836).

The spelling of 2011734 in words is "two million, eleven thousand, seven hundred thirty-four".