2091552 has 24 divisors (see below), whose sum is σ = 5490576. Its totient is φ = 697152.

The previous prime is 2091521. The next prime is 2091553. The reversal of 2091552 is 2551902.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is not an unprimeable number, because it can be changed into a prime (2091553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10798 + ... + 10989.

It is an arithmetic number, because the mean of its divisors is an integer number (228774).

2^2091552 is an apocalyptic number.

It is an amenable number.

2091552 is an abundant number, since it is smaller than the sum of its proper divisors (3399024).

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

2091552 is a wasteful number, since it uses less digits than its factorization.

2091552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21800 (or 21792 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 2091552 is about 1446.2199002918. The cubic root of 2091552 is about 127.8859661469.

The spelling of 2091552 in words is "two million, ninety-one thousand, five hundred fifty-two".