2620206 has 24 divisors (see below), whose sum is σ = 5924880. Its totient is φ = 835296.

The previous prime is 2620199. The next prime is 2620207. The reversal of 2620206 is 6020262.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620207) 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, 2751 + ... + 3578.

It is an arithmetic number, because the mean of its divisors is an integer number (246870).

2^2620206 is an apocalyptic number.

2620206 is an abundant number, since it is smaller than the sum of its proper divisors (3304674).

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

2620206 is a wasteful number, since it uses less digits than its factorization.

2620206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6360 (or 6357 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2620206 is about 1618.7050379856. The cubic root of 2620206 is about 137.8621812487.

Adding to 2620206 its reverse (6020262), we get a palindrome (8640468).

The spelling of 2620206 in words is "two million, six hundred twenty thousand, two hundred six".