2103650 has 12 divisors (see below), whose sum is σ = 3912882. Its totient is φ = 841440.

The previous prime is 2103617. The next prime is 2103653. The reversal of 2103650 is 563012.

It can be written as a sum of positive squares in 3 ways, for example, as 935089 + 1168561 = 967^2 + 1081^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2103653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20987 + ... + 21086.

2^2103650 is an apocalyptic number.

2103650 is a deficient number, since it is larger than the sum of its proper divisors (1809232).

2103650 is a wasteful number, since it uses less digits than its factorization.

2103650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42085 (or 42080 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2103650 is about 1450.3964975137. The cubic root of 2103650 is about 128.1320658407.

Adding to 2103650 its reverse (563012), we get a palindrome (2666662).

The spelling of 2103650 in words is "two million, one hundred three thousand, six hundred fifty".