2086445 has 8 divisors (see below), whose sum is σ = 2612736. Its totient is φ = 1596496.

The previous prime is 2086439. The next prime is 2086457. The reversal of 2086445 is 5446802.

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-2086445 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 0 + 8³ + 6⁸ + 4⁸ + 4⁹ + 5⁷ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8957 + ... + 9186.

It is an arithmetic number, because the mean of its divisors is an integer number (326592).

2^2086445 is an apocalyptic number.

It is an amenable number.

2086445 is a deficient number, since it is larger than the sum of its proper divisors (526291).

2086445 is a wasteful number, since it uses less digits than its factorization.

2086445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18171.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 2086445 is about 1444.4531837342. The cubic root of 2086445 is about 127.7817937546.

The spelling of 2086445 in words is "two million, eighty-six thousand, four hundred forty-five".