2030647 has 4 divisors (see below), whose sum is σ = 2118960. Its totient is φ = 1942336.

The previous prime is 2030627. The next prime is 2030653. The reversal of 2030647 is 7460302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2030647 - 2¹⁹ = 1506359 is a prime.

It is a Duffinian number.

2030647 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44122 + ... + 44167.

It is an arithmetic number, because the mean of its divisors is an integer number (529740).

2^2030647 is an apocalyptic number.

2030647 is a deficient number, since it is larger than the sum of its proper divisors (88313).

2030647 is an equidigital number, since it uses as much as digits as its factorization.

2030647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88312.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 2030647 is about 1425.0077192773. The cubic root of 2030647 is about 126.6323922348.

Subtracting from 2030647 its sum of digits (22), we obtain a square (2030625 = 1425²).

Adding to 2030647 its reverse (7460302), we get a palindrome (9490949).

The spelling of 2030647 in words is "two million, thirty thousand, six hundred forty-seven".