2621206 has 16 divisors (see below), whose sum is σ = 4586400. Its totient is φ = 1123080.

The previous prime is 2621197. The next prime is 2621207. The reversal of 2621206 is 6021262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (286650).

2^2621206 is an apocalyptic number.

2621206 is a deficient number, since it is larger than the sum of its proper divisors (1965194).

2621206 is an equidigital number, since it uses as much as digits as its factorization.

2621206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844 (or 3830 counting only the distinct ones).

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

The square root of 2621206 is about 1619.0138974079. The cubic root of 2621206 is about 137.8797173567.

Adding to 2621206 its reverse (6021262), we get a palindrome (8642468).

The spelling of 2621206 in words is "two million, six hundred twenty-one thousand, two hundred six".