2088989 has 4 divisors (see below), whose sum is σ = 2387424. Its totient is φ = 1790556.

The previous prime is 2088979. The next prime is 2089001. The reversal of 2088989 is 9898802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2088989 - 2⁴ = 2088973 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 (2088949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149207 + ... + 149220.

It is an arithmetic number, because the mean of its divisors is an integer number (596856).

2^2088989 is an apocalyptic number.

It is an amenable number.

2088989 is a deficient number, since it is larger than the sum of its proper divisors (298435).

2088989 is an equidigital number, since it uses as much as digits as its factorization.

2088989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298434.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 2088989 is about 1445.3335255227. Note that the first 3 decimals coincide. The cubic root of 2088989 is about 127.8337073925.

The spelling of 2088989 in words is "two million, eighty-eight thousand, nine hundred eighty-nine".