2086720 has 28 divisors (see below), whose sum is σ = 4969764. Its totient is φ = 834560.

The previous prime is 2086697. The next prime is 2086723. The reversal of 2086720 is 276802.

It can be written as a sum of positive squares in 2 ways, for example, as 1420864 + 665856 = 1192^2 + 816^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086723) 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, 2941 + ... + 3580.

2^2086720 is an apocalyptic number.

2086720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2086720 is an abundant number, since it is smaller than the sum of its proper divisors (2883044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2086720 is an equidigital number, since it uses as much as digits as its factorization.

2086720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6538 (or 6528 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2086720 is about 1444.5483723296. The cubic root of 2086720 is about 127.7874075218.

The spelling of 2086720 in words is "two million, eighty-six thousand, seven hundred twenty".