2086340 has 24 divisors (see below), whose sum is σ = 4444440. Its totient is φ = 822528.

The previous prime is 2086339. The next prime is 2086349. The reversal of 2086340 is 436802.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18496 + 2067844 = 136^2 + 1438^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (185185).

2^2086340 is an apocalyptic number.

2086340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2086340 is an abundant number, since it is smaller than the sum of its proper divisors (2358100).

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

2086340 is a wasteful number, since it uses less digits than its factorization.

2086340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2086340 is about 1444.4168373430. The cubic root of 2086340 is about 127.7796501861.

The spelling of 2086340 in words is "two million, eighty-six thousand, three hundred forty".