2011406 has 8 divisors (see below), whose sum is σ = 3194640. Its totient is φ = 946528.

The previous prime is 2011393. The next prime is 2011409. The reversal of 2011406 is 6041102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011409) 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 3 ways as a sum of consecutive naturals, for example, 29546 + ... + 29613.

It is an arithmetic number, because the mean of its divisors is an integer number (399330).

2^2011406 is an apocalyptic number.

2011406 is a deficient number, since it is larger than the sum of its proper divisors (1183234).

2011406 is a wasteful number, since it uses less digits than its factorization.

2011406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59178.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2011406 is about 1418.2404591606. The cubic root of 2011406 is about 126.2311621078.

Adding to 2011406 its reverse (6041102), we get a palindrome (8052508).

The spelling of 2011406 in words is "two million, eleven thousand, four hundred six".