2089810 has 32 divisors (see below), whose sum is σ = 4199040. Its totient is φ = 744192.

The previous prime is 2089807. The next prime is 2089831. The reversal of 2089810 is 189802.

It is a super-2 number, since 2×2089810² = 8734611672200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2907 + ... + 3553.

It is an arithmetic number, because the mean of its divisors is an integer number (131220).

2^2089810 is an apocalyptic number.

2089810 is an abundant number, since it is smaller than the sum of its proper divisors (2109230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2089810 is a wasteful number, since it uses less digits than its factorization.

2089810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 2089810 is about 1445.6175151125. The cubic root of 2089810 is about 127.8504519721.

The spelling of 2089810 in words is "two million, eighty-nine thousand, eight hundred ten".