2108403 has 32 divisors (see below), whose sum is σ = 3532800. Its totient is φ = 1231200.

The previous prime is 2108401. The next prime is 2108429. The reversal of 2108403 is 3048012.

It is a happy number.

2108403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2108403 - 2¹ = 2108401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2108401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9093 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (110400).

2^2108403 is an apocalyptic number.

2108403 is a deficient number, since it is larger than the sum of its proper divisors (1424397).

2108403 is a wasteful number, since it uses less digits than its factorization.

2108403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2108403 is about 1452.0340905089. The cubic root of 2108403 is about 128.2284940513.

The spelling of 2108403 in words is "two million, one hundred eight thousand, four hundred three".