2103700 has 36 divisors (see below), whose sum is σ = 4630780. Its totient is φ = 829440.

The previous prime is 2103683. The next prime is 2103713. The reversal of 2103700 is 73012.

It can be written as a sum of positive squares in 6 ways, for example, as 64516 + 2039184 = 254^2 + 1428^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 10804 + ... + 10996.

2^2103700 is an apocalyptic number.

2103700 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 2103700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2315390).

2103700 is an abundant number, since it is smaller than the sum of its proper divisors (2527080).

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

2103700 is a wasteful number, since it uses less digits than its factorization.

2103700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 2103700 is about 1450.4137340773. The cubic root of 2103700 is about 128.1330809894.

Adding to 2103700 its reverse (73012), we get a palindrome (2176712).

The spelling of 2103700 in words is "two million, one hundred three thousand, seven hundred".