2086641 has 24 divisors (see below), whose sum is σ = 3238144. Its totient is φ = 1341360.

The previous prime is 2086639. The next prime is 2086657. The reversal of 2086641 is 1466802.

It is not a de Polignac number, because 2086641 - 2¹ = 2086639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2086621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7395 + ... + 7671.

2^2086641 is an apocalyptic number.

It is an amenable number.

2086641 is a deficient number, since it is larger than the sum of its proper divisors (1151503).

2086641 is an equidigital number, since it uses as much as digits as its factorization.

2086641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2086641 is about 1444.5210278843. The cubic root of 2086641 is about 127.7857948901.

The spelling of 2086641 in words is "two million, eighty-six thousand, six hundred forty-one".