2089658 has 16 divisors (see below), whose sum is σ = 3333120. Its totient is φ = 979776.

The previous prime is 2089651. The next prime is 2089669. The reversal of 2089658 is 8569802.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2089651) 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, 4610 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (208320).

2^2089658 is an apocalyptic number.

2089658 is a deficient number, since it is larger than the sum of its proper divisors (1243462).

2089658 is a wasteful number, since it uses less digits than its factorization.

2089658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 2089658 is about 1445.5649414675. The cubic root of 2089658 is about 127.8473522103.

The spelling of 2089658 in words is "two million, eighty-nine thousand, six hundred fifty-eight".