2103402 has 32 divisors (see below), whose sum is σ = 4892544. Its totient is φ = 590400.

The previous prime is 2103389. The next prime is 2103403. The reversal of 2103402 is 2043012.

It is not an unprimeable number, because it can be changed into a prime (2103403) 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 15 ways as a sum of consecutive naturals, for example, 2152 + ... + 2972.

It is an arithmetic number, because the mean of its divisors is an integer number (152892).

2^2103402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2446272).

2103402 is an abundant number, since it is smaller than the sum of its proper divisors (2789142).

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

2103402 is a wasteful number, since it uses less digits than its factorization.

2103402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2103402 is about 1450.3110011304. The cubic root of 2103402 is about 128.1270304655.

Adding to 2103402 its reverse (2043012), we get a palindrome (4146414).

The spelling of 2103402 in words is "two million, one hundred three thousand, four hundred two".