2068641 has 6 divisors (see below), whose sum is σ = 2988050. Its totient is φ = 1379088.

The previous prime is 2068639. The next prime is 2068667. The reversal of 2068641 is 1468602.

It can be written as a sum of positive squares in only one way, i.e., 1147041 + 921600 = 1071^2 + 960^2 .

It is not a de Polignac number, because 2068641 - 2¹ = 2068639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2068681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114916 + ... + 114933.

2^2068641 is an apocalyptic number.

It is an amenable number.

2068641 is a deficient number, since it is larger than the sum of its proper divisors (919409).

2068641 is a wasteful number, since it uses less digits than its factorization.

2068641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229855 (or 229852 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2068641 is about 1438.2770943042. The cubic root of 2068641 is about 127.4172935359.

The spelling of 2068641 in words is "two million, sixty-eight thousand, six hundred forty-one".