588991 has 4 divisors (see below), whose sum is σ = 634312. Its totient is φ = 543672.

The previous prime is 588977. The next prime is 589021. The reversal of 588991 is 199885.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-588991 is a prime.

It is a Duffinian number.

588991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (588911) 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, 22641 + ... + 22666.

It is an arithmetic number, because the mean of its divisors is an integer number (158578).

2⁵⁸⁸⁹⁹¹ is an apocalyptic number.

588991 is a deficient number, since it is larger than the sum of its proper divisors (45321).

588991 is a wasteful number, since it uses less digits than its factorization.

588991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45320.

The product of its digits is 25920, while the sum is 40.

The square root of 588991 is about 767.4574906795. The cubic root of 588991 is about 83.8242261682.

The spelling of 588991 in words is "five hundred eighty-eight thousand, nine hundred ninety-one".