2611406 has 12 divisors (see below), whose sum is σ = 4556808. Its totient is φ = 1119132.

The previous prime is 2611403. The next prime is 2611439. The reversal of 2611406 is 6041162.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 13226 + ... + 13421.

It is an arithmetic number, because the mean of its divisors is an integer number (379734).

2^2611406 is an apocalyptic number.

2611406 is a deficient number, since it is larger than the sum of its proper divisors (1945402).

2611406 is a wasteful number, since it uses less digits than its factorization.

2611406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26663 (or 26656 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2611406 is about 1615.9845296289. The cubic root of 2611406 is about 137.7076707631.

Adding to 2611406 its reverse (6041162), we get a palindrome (8652568).

The spelling of 2611406 in words is "two million, six hundred eleven thousand, four hundred six".