2105448 has 32 divisors (see below), whose sum is σ = 5408160. Its totient is φ = 682560.

The previous prime is 2105431. The next prime is 2105449. The reversal of 2105448 is 8445012.

It is a super-2 number, since 2×2105448² = 8865822561408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2105449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (169005).

2^2105448 is an apocalyptic number.

It is an amenable number.

2105448 is an abundant number, since it is smaller than the sum of its proper divisors (3302712).

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

2105448 is a wasteful number, since it uses less digits than its factorization.

2105448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2105448 is about 1451.0161956367. The cubic root of 2105448 is about 128.1685604809.

The spelling of 2105448 in words is "two million, one hundred five thousand, four hundred forty-eight".