2086455 has 32 divisors (see below), whose sum is σ = 3944448. Its totient is φ = 921600.

The previous prime is 2086439. The next prime is 2086457. The reversal of 2086455 is 5546802.

It is not a de Polignac number, because 2086455 - 2⁴ = 2086439 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

2086455 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2935 + ... + 3575.

It is an arithmetic number, because the mean of its divisors is an integer number (123264).

2^2086455 is an apocalyptic number.

2086455 is a deficient number, since it is larger than the sum of its proper divisors (1857993).

2086455 is a wasteful number, since it uses less digits than its factorization.

2086455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 2086455 is about 1444.4566452476. The cubic root of 2086455 is about 127.7819979002.

The spelling of 2086455 in words is "two million, eighty-six thousand, four hundred fifty-five".