2103442 has 16 divisors (see below), whose sum is σ = 3592512. Its totient is φ = 914320.

The previous prime is 2103407. The next prime is 2103449. The reversal of 2103442 is 2443012.

It is a d-powerful number, because it can be written as 2 + 1 + 0 + 3⁷ + 4 + 4⁶ + 2²¹ .

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 7 ways as a sum of consecutive naturals, for example, 1573 + ... + 2584.

It is an arithmetic number, because the mean of its divisors is an integer number (224532).

2^2103442 is an apocalyptic number.

2103442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2103442 is a deficient number, since it is larger than the sum of its proper divisors (1489070).

2103442 is a wasteful number, since it uses less digits than its factorization.

2103442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193.

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

The square root of 2103442 is about 1450.3247912106. The cubic root of 2103442 is about 128.1278426496.

Adding to 2103442 its reverse (2443012), we get a palindrome (4546454).

The spelling of 2103442 in words is "two million, one hundred three thousand, four hundred forty-two".