2103630 has 16 divisors (see below), whose sum is σ = 5048784. Its totient is φ = 560960.

The previous prime is 2103617. The next prime is 2103653. The reversal of 2103630 is 363012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35031 + ... + 35090.

It is an arithmetic number, because the mean of its divisors is an integer number (315549).

2^2103630 is an apocalyptic number.

2103630 is an abundant number, since it is smaller than the sum of its proper divisors (2945154).

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

2103630 is a wasteful number, since it uses less digits than its factorization.

2103630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70131.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2103630 is about 1450.3896028309. The cubic root of 2103630 is about 128.1316597768.

Adding to 2103630 its reverse (363012), we get a palindrome (2466642).

The spelling of 2103630 in words is "two million, one hundred three thousand, six hundred thirty".