2291048 has 8 divisors (see below), whose sum is σ = 4295730. Its totient is φ = 1145520.

The previous prime is 2291041. The next prime is 2291063. The reversal of 2291048 is 8401922.

2291048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1295044 + 996004 = 1138^2 + 998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2291041) 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 as a sum of consecutive naturals, namely, 143183 + ... + 143198.

2^2291048 is an apocalyptic number.

It is an amenable number.

2291048 is a deficient number, since it is larger than the sum of its proper divisors (2004682).

2291048 is a wasteful number, since it uses less digits than its factorization.

2291048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286387 (or 286383 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2291048 is about 1513.6208243811. The cubic root of 2291048 is about 131.8291330649.

The spelling of 2291048 in words is "two million, two hundred ninety-one thousand, forty-eight".