2086557 has 16 divisors (see below), whose sum is σ = 3094848. Its totient is φ = 1239680.

The previous prime is 2086549. The next prime is 2086571. The reversal of 2086557 is 7556802.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2086557 - 2³ = 2086549 is a prime.

It is a super-2 number, since 2×2086557² = 8707440228498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1153 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (193428).

2^2086557 is an apocalyptic number.

It is an amenable number.

2086557 is a deficient number, since it is larger than the sum of its proper divisors (1008291).

2086557 is a wasteful number, since it uses less digits than its factorization.

2086557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2086557 is about 1444.4919522102. The cubic root of 2086557 is about 127.7840801484.

The spelling of 2086557 in words is "two million, eighty-six thousand, five hundred fifty-seven".