2086558 has 4 divisors (see below), whose sum is σ = 3129840. Its totient is φ = 1043278.

The previous prime is 2086549. The next prime is 2086571. The reversal of 2086558 is 8556802.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 2¹⁶ + 0 + 8³ + 6⁸ + 5⁴ + 5⁷ + 8⁶ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521638 + ... + 521641.

It is an arithmetic number, because the mean of its divisors is an integer number (782460).

2^2086558 is an apocalyptic number.

2086558 is a deficient number, since it is larger than the sum of its proper divisors (1043282).

2086558 is a wasteful number, since it uses less digits than its factorization.

2086558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043281.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2086558 is about 1444.4922983526. The cubic root of 2086558 is about 127.7841005623.

The spelling of 2086558 in words is "two million, eighty-six thousand, five hundred fifty-eight".