2105472 has 32 divisors (see below), whose sum is σ = 5593680. Its totient is φ = 701696.

The previous prime is 2105449. The next prime is 2105483. The reversal of 2105472 is 2745012.

It is a tau number, because it is divible by the number of its divisors (32).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2358 + ... + 3125.

2^2105472 is an apocalyptic number.

It is an amenable number.

2105472 is an abundant number, since it is smaller than the sum of its proper divisors (3488208).

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

2105472 is an equidigital number, since it uses as much as digits as its factorization.

2105472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500 (or 5488 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2105472 is about 1451.0244656793. The cubic root of 2105472 is about 128.1690474769.

The spelling of 2105472 in words is "two million, one hundred five thousand, four hundred seventy-two".