2103388 has 24 divisors (see below), whose sum is σ = 4307072. Its totient is φ = 879984.

The previous prime is 2103383. The next prime is 2103389. The reversal of 2103388 is 8833012.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103383) 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 7 ways as a sum of consecutive naturals, for example, 331 + ... + 2077.

2^2103388 is an apocalyptic number.

2103388 is a gapful number since it is divisible by the number (28) 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 2103388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153536).

2103388 is an abundant number, since it is smaller than the sum of its proper divisors (2203684).

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

2103388 is a wasteful number, since it uses less digits than its factorization.

2103388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2103388 is about 1450.3061745714. The cubic root of 2103388 is about 128.1267461987.

The spelling of 2103388 in words is "two million, one hundred three thousand, three hundred eighty-eight".