2103424 has 16 divisors (see below), whose sum is σ = 4190670. Its totient is φ = 1051648.

The previous prime is 2103407. The next prime is 2103449. The reversal of 2103424 is 4243012.

It can be written as a sum of positive squares in only one way, i.e., 1166400 + 937024 = 1080^2 + 968^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2103398 and 2103407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8089 + ... + 8344.

2^2103424 is an apocalyptic number.

It is an amenable number.

2103424 is a deficient number, since it is larger than the sum of its proper divisors (2087246).

2103424 is an equidigital number, since it uses as much as digits as its factorization.

2103424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16447 (or 16435 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2103424 is about 1450.3185856907. The cubic root of 2103424 is about 128.1274771680.

Adding to 2103424 its reverse (4243012), we get a palindrome (6346436).

The spelling of 2103424 in words is "two million, one hundred three thousand, four hundred twenty-four".