2103580 has 48 divisors (see below), whose sum is σ = 4898880. Its totient is φ = 754688.

The previous prime is 2103553. The next prime is 2103583. The reversal of 2103580 is 853012.

2103580 = T₁₀₁ + T₁₀₂ + ... + T₂₃₈.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103583) 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 15 ways as a sum of consecutive naturals, for example, 7686 + ... + 7954.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2^2103580 is an apocalyptic number.

2103580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2449440).

2103580 is an abundant number, since it is smaller than the sum of its proper divisors (2795300).

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

2103580 is a wasteful number, since it uses less digits than its factorization.

2103580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2103580 is about 1450.3723659805. The cubic root of 2103580 is about 128.1306446056.

Adding to 2103580 its reverse (853012), we get a palindrome (2956592).

It can be divided in two parts, 21035 and 80, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 2103580 in words is "two million, one hundred three thousand, five hundred eighty".