2089490 has 16 divisors (see below), whose sum is σ = 4050648. Its totient is φ = 771456.

The previous prime is 2089489. The next prime is 2089511. The reversal of 2089490 is 949802.

It can be written as a sum of positive squares in 4 ways, for example, as 946729 + 1142761 = 973^2 + 1069^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7907 + ... + 8166.

2^2089490 is an apocalyptic number.

2089490 is a deficient number, since it is larger than the sum of its proper divisors (1961158).

2089490 is a wasteful number, since it uses less digits than its factorization.

2089490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16093.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2089490 is about 1445.5068315300. The cubic root of 2089490 is about 127.8439259828.

The spelling of 2089490 in words is "two million, eighty-nine thousand, four hundred ninety".