2030861 has 8 divisors (see below), whose sum is σ = 2333184. Its totient is φ = 1731600.

The previous prime is 2030789. The next prime is 2030879. The reversal of 2030861 is 1680302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2030861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911 + ... + 2211.

It is an arithmetic number, because the mean of its divisors is an integer number (291648).

2^2030861 is an apocalyptic number.

It is an amenable number.

2030861 is a deficient number, since it is larger than the sum of its proper divisors (302323).

2030861 is a wasteful number, since it uses less digits than its factorization.

2030861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2030861 is about 1425.0828046117. The cubic root of 2030861 is about 126.6368404689.

The spelling of 2030861 in words is "two million, thirty thousand, eight hundred sixty-one".