590861 has 4 divisors (see below), whose sum is σ = 592800. Its totient is φ = 588924.

The previous prime is 590839. The next prime is 590867. The reversal of 590861 is 168095.

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, and also an emirpimes, since its reverse is a distinct semiprime: 168095 = 5 ⋅33619.

It is a cyclic number.

It is not a de Polignac number, because 590861 - 2⁶ = 590797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (590867) 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, 401 + ... + 1158.

It is an arithmetic number, because the mean of its divisors is an integer number (148200).

2⁵⁹⁰⁸⁶¹ is an apocalyptic number.

It is an amenable number.

590861 is a deficient number, since it is larger than the sum of its proper divisors (1939).

590861 is a wasteful number, since it uses less digits than its factorization.

590861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 590861 is about 768.6748337236. The cubic root of 590861 is about 83.9128442194.

The spelling of 590861 in words is "five hundred ninety thousand, eight hundred sixty-one".