2080647 has 20 divisors (see below), whose sum is σ = 3293136. Its totient is φ = 1304640.

The previous prime is 2080609. The next prime is 2080651. The reversal of 2080647 is 7460802.

It is not a de Polignac number, because 2080647 - 2⁸ = 2080391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

2080647 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2080647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080657) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 622 + ... + 2132.

2^2080647 is an apocalyptic number.

2080647 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2080647 is a deficient number, since it is larger than the sum of its proper divisors (1212489).

2080647 is a wasteful number, since it uses less digits than its factorization.

2080647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2080647 is about 1442.4447996371. Note that the first 3 decimals coincide. The cubic root of 2080647 is about 127.6633201188.

The spelling of 2080647 in words is "two million, eighty thousand, six hundred forty-seven".