2088591 has 8 divisors (see below), whose sum is σ = 2826624. Its totient is φ = 1371480.

The previous prime is 2088589. The next prime is 2088599. The reversal of 2088591 is 1958802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2088591 - 2¹ = 2088589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2088599) 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, 4995 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (353328).

2^2088591 is an apocalyptic number.

2088591 is a deficient number, since it is larger than the sum of its proper divisors (738033).

2088591 is a wasteful number, since it uses less digits than its factorization.

2088591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10461.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 2088591 is about 1445.1958344806. The cubic root of 2088591 is about 127.8255884656.

The spelling of 2088591 in words is "two million, eighty-eight thousand, five hundred ninety-one".