2091568 has 20 divisors (see below), whose sum is σ = 4120768. Its totient is φ = 1028160.

The previous prime is 2091553. The next prime is 2091581. The reversal of 2091568 is 8651902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96 + ... + 2047.

2^2091568 is an apocalyptic number.

It is an amenable number.

2091568 is a deficient number, since it is larger than the sum of its proper divisors (2029200).

2091568 is a wasteful number, since it uses less digits than its factorization.

2091568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2091568 is about 1446.2254319434. The cubic root of 2091568 is about 127.8862922477.

The spelling of 2091568 in words is "two million, ninety-one thousand, five hundred sixty-eight".