2640106 has 8 divisors (see below), whose sum is σ = 4525920. Its totient is φ = 1131468.

The previous prime is 2640067. The next prime is 2640137. The reversal of 2640106 is 6010462.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94276 + ... + 94303.

It is an arithmetic number, because the mean of its divisors is an integer number (565740).

2^2640106 is an apocalyptic number.

2640106 is a deficient number, since it is larger than the sum of its proper divisors (1885814).

2640106 is a wasteful number, since it uses less digits than its factorization.

2640106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188588.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2640106 is about 1624.8402998449. The cubic root of 2640106 is about 138.2103143352.

Adding to 2640106 its reverse (6010462), we get a palindrome (8650568).

The spelling of 2640106 in words is "two million, six hundred forty thousand, one hundred six".