590666 has 4 divisors (see below), whose sum is σ = 886002. Its totient is φ = 295332.

The previous prime is 590659. The next prime is 590669. The reversal of 590666 is 666095.

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

It can be written as a sum of positive squares in only one way, i.e., 319225 + 271441 = 565^2 + 521^2 .

590666 is a modest number, since divided by 666 gives 590 as remainder.

It is not an unprimeable number, because it can be changed into a prime (590669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 147665 + ... + 147668.

2⁵⁹⁰⁶⁶⁶ is an apocalyptic number.

590666 is a deficient number, since it is larger than the sum of its proper divisors (295336).

590666 is a wasteful number, since it uses less digits than its factorization.

590666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295335.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 590666 is about 768.5479815861. The cubic root of 590666 is about 83.9036120396.

The spelling of 590666 in words is "five hundred ninety thousand, six hundred sixty-six".