2089870 has 16 divisors (see below), whose sum is σ = 3800160. Its totient is φ = 827424.

The previous prime is 2089859. The next prime is 2089873. The reversal of 2089870 is 789802.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16 + ... + 2044.

It is an arithmetic number, because the mean of its divisors is an integer number (237510).

2^2089870 is an apocalyptic number.

2089870 is a deficient number, since it is larger than the sum of its proper divisors (1710290).

2089870 is a wasteful number, since it uses less digits than its factorization.

2089870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 2089870 is about 1445.6382673408. The cubic root of 2089870 is about 127.8516755209.

The spelling of 2089870 in words is "two million, eighty-nine thousand, eight hundred seventy".