2103634 has 8 divisors (see below), whose sum is σ = 3398220. Its totient is φ = 970896.

The previous prime is 2103617. The next prime is 2103653. The reversal of 2103634 is 4363012.

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 157609 = 1395^2 + 397^2 .

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

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40429 + ... + 40480.

2^2103634 is an apocalyptic number.

2103634 is a deficient number, since it is larger than the sum of its proper divisors (1294586).

2103634 is a wasteful number, since it uses less digits than its factorization.

2103634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80924.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2103634 is about 1450.3909817701. The cubic root of 2103634 is about 128.1317409898.

Adding to 2103634 its reverse (4363012), we get a palindrome (6466646).

It can be divided in two parts, 210 and 3634, that added together give a square (3844 = 62²).

The spelling of 2103634 in words is "two million, one hundred three thousand, six hundred thirty-four".