2091472 has 20 divisors (see below), whose sum is σ = 4114816. Its totient is φ = 1029600.

The previous prime is 2091461. The next prime is 2091473. The reversal of 2091472 is 2741902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97 + ... + 2047.

2^2091472 is an apocalyptic number.

It is an amenable number.

2091472 is a deficient number, since it is larger than the sum of its proper divisors (2023344).

2091472 is a wasteful number, since it uses less digits than its factorization.

2091472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2091472 is about 1446.1922417162. The cubic root of 2091472 is about 127.8843356181.

It can be divided in two parts, 209 and 1472, that added together give a square (1681 = 41²).

The spelling of 2091472 in words is "two million, ninety-one thousand, four hundred seventy-two".