2103449328 has 60 divisors (see below), whose sum is σ = 5925782928. Its totient is φ = 696499200.

The previous prime is 2103449323. The next prime is 2103449333. The reversal of 2103449328 is 8239443012.

It is an interprime number because it is at equal distance from previous prime (2103449323) and next prime (2103449333).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2103449292 and 2103449301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103449323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26625 + ... + 70112.

Almost surely, 2^2103449328 is an apocalyptic number.

It is an amenable number.

2103449328 is an abundant number, since it is smaller than the sum of its proper divisors (3822333600).

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

2103449328 is a wasteful number, since it uses less digits than its factorization.

2103449328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96902 (or 96893 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2103449328 is about 45863.3767618565. The cubic root of 2103449328 is about 1281.2799144061.

The spelling of 2103449328 in words is "two billion, one hundred three million, four hundred forty-nine thousand, three hundred twenty-eight".