2086208621 has 8 divisors (see below), whose sum is σ = 2399425920. Its totient is φ = 1776788208.

The previous prime is 2086208609. The next prime is 2086208627. The reversal of 2086208621 is 1268026802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2086208621 - 2¹⁸ = 2085946477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086208627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948041 + ... + 950238.

It is an arithmetic number, because the mean of its divisors is an integer number (299928240).

Almost surely, 2^2086208621 is an apocalyptic number.

It is an amenable number.

2086208621 is a deficient number, since it is larger than the sum of its proper divisors (313217299).

2086208621 is a wasteful number, since it uses less digits than its factorization.

2086208621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898443.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2086208621 is about 45675.0327969231. The cubic root of 2086208621 is about 1277.7696799064.

The spelling of 2086208621 in words is "two billion, eighty-six million, two hundred eight thousand, six hundred twenty-one".