2108266 has 4 divisors (see below), whose sum is σ = 3162402. Its totient is φ = 1054132.

The previous prime is 2108263. The next prime is 2108291. The reversal of 2108266 is 6628012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1782225 + 326041 = 1335^2 + 571^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2108266.

It is not an unprimeable number, because it can be changed into a prime (2108263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527065 + ... + 527068.

2^2108266 is an apocalyptic number.

2108266 is a deficient number, since it is larger than the sum of its proper divisors (1054136).

2108266 is a wasteful number, since it uses less digits than its factorization.

2108266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054135.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2108266 is about 1451.9869145416. The cubic root of 2108266 is about 128.2257166436.

The spelling of 2108266 in words is "two million, one hundred eight thousand, two hundred sixty-six".