2103276 has 60 divisors (see below), whose sum is σ = 5803672. Its totient is φ = 592704.

The previous prime is 2103239. The next prime is 2103301. The reversal of 2103276 is 6723012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28776 + ... + 28848.

2^2103276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2901836).

2103276 is an abundant number, since it is smaller than the sum of its proper divisors (3700396).

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

2103276 is an equidigital number, since it uses as much as digits as its factorization.

2103276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2103276 is about 1450.2675615210. The cubic root of 2103276 is about 128.1244720184.

Adding to 2103276 its reverse (6723012), we get a palindrome (8826288).

It can be divided in two parts, 210 and 3276, that added together give a triangular number (3486 = T₈₃).

The spelling of 2103276 in words is "two million, one hundred three thousand, two hundred seventy-six".