2089557 has 12 divisors (see below), whose sum is σ = 3130400. Its totient is φ = 1392876.

The previous prime is 2089543. The next prime is 2089559. The reversal of 2089557 is 7559802.

2089557 is a `hidden beast` number, since 20 + 89 + 557 = 666.

It is not a de Polignac number, because 2089557 - 2⁴ = 2089541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4057 + ... + 4542.

2^2089557 is an apocalyptic number.

2089557 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2089557 is a deficient number, since it is larger than the sum of its proper divisors (1040843).

2089557 is an frugal number, since it uses more digits than its factorization.

2089557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8614 (or 8602 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 2089557 is about 1445.5300066066. The cubic root of 2089557 is about 127.8452924170.

The spelling of 2089557 in words is "two million, eighty-nine thousand, five hundred fifty-seven".