1008591 has 8 divisors (see below), whose sum is σ = 1391280. Its totient is φ = 649152.

The previous prime is 1008589. The next prime is 1008607. The reversal of 1008591 is 1958001.

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

It is not a de Polignac number, because 1008591 - 2¹ = 1008589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008541) 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, 5710 + ... + 5883.

It is an arithmetic number, because the mean of its divisors is an integer number (173910).

2^1008591 is an apocalyptic number.

1008591 is a deficient number, since it is larger than the sum of its proper divisors (382689).

1008591 is a wasteful number, since it uses less digits than its factorization.

1008591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11625.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 1008591 is about 1004.2863137572. The cubic root of 1008591 is about 100.2855504997.

The spelling of 1008591 in words is "one million, eight thousand, five hundred ninety-one".