2103499 has 4 divisors (see below), whose sum is σ = 2106720. Its totient is φ = 2100280.

The previous prime is 2103473. The next prime is 2103503. The reversal of 2103499 is 9943012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103499 is a prime.

It is a Duffinian number.

2103499 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2103449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (526680).

2^2103499 is an apocalyptic number.

2103499 is a deficient number, since it is larger than the sum of its proper divisors (3221).

2103499 is an equidigital number, since it uses as much as digits as its factorization.

2103499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2103499 is about 1450.3444418482. The cubic root of 2103499 is about 128.1289999941.

The spelling of 2103499 in words is "two million, one hundred three thousand, four hundred ninety-nine".